Go: package main

import (
	"bufio"
	"fmt"
	"os"
	"strconv"
	"strings"
)

func main() {
	scanner := bufio.NewScanner(os.Stdin)
	for scanner.Scan() {
		strNums := strings.Fields(scanner.Text())
		nums := []int{}
		for _, strNum := range strNums {
			num, _ := strconv.Atoi(strNum)
			nums = append(nums, num)
		}
		a := nums[0]
		b := nums[1]
		c := nums[2]
		d := nums[3]
		e := nums[4]
		f := nums[5]
		var mulA, mulD int
		if a < 0 {
			mulA = a * -1
		} else {
			mulA = a
		}
		if d < 0 {
			mulD = d * -1
		} else {
			mulD = d
		}
		a *= mulD
		b *= mulD
		c *= mulD
		d *= mulA
		e *= mulA
		f *= mulA

		if d < 0 {
			d *= -1
			e *= -1
			f *= -1
		}

		bE := b - e
		cF := c - f
		if bE == 0 {
			bE = 1
		}
		y := cF / bE
		x := (c - (y * b)) / a

		fmt.Print(x)
		fmt.Print(".000 ")
		fmt.Print(y)
		fmt.Println(".000")
	}
}

C++: #include <cstdio>
#include <cmath>

int main(void)
{
	double a, b, c, d, e, f;

	while (scanf("%lf %lf %lf %lf %lf %lf", &a, &b, &c, &d, &e, &f) != EOF){
		double y = (d * c - a * f) / (d * b - a * e);
		double x = (f - e * y) / d;
		// if (fabs(x) < 1e-4) x = 0.0;
		printf("%.3f %.3f\n", x + 0.0, y);
	}

	return 0;
}

C++: #include<iostream>
#include<iomanip>
using namespace std;

int main(){
  for(double a1,b1,c1,d1,e1,f1,b2,c2,e2,f2,a3,c3,d3,f3,x,y;cin>>a1>>b1>>c1>>d1>>e1>>f1;){

    b2=b1*d1;
    c2=c1*d1;

    e2=a1*e1;
    f2=a1*f1;

    y=(c2-f2)/(b2-e2);

    a3=a1*e1;
    c3=c1*e1;

    d3=b1*d1;
    f3=b1*f1;

    x=(c3-f3)/(a3-d3);

    cout<<fixed<<setprecision(3)<<x;
    cout<<" ";
    cout<<fixed<<setprecision(3)<<y;
  }
  return 0;
}

C++: #include <stdio.h>
#include <iostream>
using namespace std;

int main(void)
{
	int a,b,c,d,e,f;
	float ans[2];

	cin >> a >> b >> c >> d >> e >> f;

	ans[1] = (c*d-a*f)/(b*d-a*e);
	ans[0] = (c*d-b*d*ans[1])/(a*d);

	printf("%.3f %.3f\n", ans[0],ans[1]);

	return 0;
}

C++: #include <iostream>
#include <iomanip>
#include <cmath>
//#include <fstream>

int main(int argc, char **argv){
	//std::ifstream ifs("test.txt");
	double a = 0;
	double b = 0;
	double c = 0;
	double d = 0;
	double e = 0;
	double f = 0;

	while(std::cin >> a >> b >> c >> d >> e >> f){
	//while(ifs >> a >> b >> c >> d >> e >> f){
		double det = a * e - b * d;
		double x = (c * e - b * f) / det;
		double y = (a * f - c * d) / det;
		
		x = std::round(x * 1000) / 1000.0;
		y = std::round(y * 1000) / 1000.0;

		if(x == - 0){ x = 0; }
		if(y == - 0){ y = 0; }
		std::cout << std::fixed << std::setprecision(3) << x << " " << y << std::endl;
	}
	return 0;
}

C++: #include <iostream>
#include <stdlib.h>
#include <string.h>
#include <sstream>
#include <iostream>
#include <math.h>
#include <iomanip>

using namespace std;

string float_to_string(float f, int digits)
{
  ostringstream oss;
  oss << setprecision(digits) << setiosflags(ios::fixed) << f;
  return oss.str();
}

void calc_and_output(int *c)
{
  float x = (float)(c[1]*c[5]-c[2]*c[4])/(c[1]*c[3]-c[0]*c[4]);
  float y = (float)(c[0]*c[5]-c[2]*c[3])/(c[0]*c[4]-c[1]*c[3]);

  cout << float_to_string(x, 3) << " " << float_to_string(y, 3) << endl;
}

main(int argc, char const* argv[])
{
  int c[6];

  string line;
  while (getline(cin, line)) {
    istringstream iss(line);
    int val;
    int c[6];
    for (int i = 0; i < 6; i++) {
      iss >> val;
      c[i] = val;
    };

    calc_and_output(c);
  }

  return 0;
}

C++: #include <stdio.h>
#define EPS 1e-10
int main() {
    int a,b,c,d,e,f,x,sign,sign2;double q,r;while (scanf("%d %d %d %d %d %d",&a,&b,&c,&d,&e,&f)!=EOF) {
        x=a*e-b*d;if (x<0) sign=-1,x=-x; else sign=1;
        q=(c*e-f*b);if (q<0.00) sign2=-1,q=-q; else sign2=1;q=(q*sign*sign2)/(x+0.00);
        r=(a*f-c*d);if (r<0.00) sign2=-1,r=-r; else sign2=1;r=(r*sign*sign2)/(x+0.00);
        if (r<EPS && r>-EPS) r=0.00;if (q<EPS && q>-EPS) q=0.00;
        printf("%.3lf %.3lf\n",q,r);
    }
return 0;}

C++: #include <iostream>
#include <cstdio>
using namespace std;
double Round(double x);

int main(void){
    

    
    while(1){

        //??\?????????
        int a = 0;
        int b = 0;
        int c = 0;
        int d = 0;
        int e = 0;
        int f = 0;
        
        int ret = scanf("%d %d %d %d %d %d",&a,&b,&c,&d,&e,&f);
        
        if(ret == EOF){
            break;
        }
        //?¨????
        double x = ( ( ( d * c ) - ( a * f ) ) / ( ( b * d ) - ( a * e ) ) );
        double y = ( ( ( b * d ) - ( a * c ) ) / ( ( d * c ) - ( a * f ) ) );    
        
        //?????¨?????\
        x = Round( x );
        y = Round( y );
        
        //??????
        printf("%.4f %.4f",x,y);
        
    }
    return(0);
}

double Round(double ReciveNum){
    
    double Section = (( ReciveNum * 1000 ) - (( int )( ReciveNum * 1000 )));
    
    if( Section < 0.0005){
        /* Do nothing */
    }else{
        ReciveNum += 0.001;
    }
    
    return ( ReciveNum );
}

C++: const int tt = 10000;

#include<iostream>
#include<string>
#include<sstream>
using namespace std;

string toStr(int n);
string intToString(int n);

int main() {
  int a, b, c, d, e, f;
  
  while(cin >> a >> b >> c >> d >> e >> f) {
    c = c * tt;
    f = f * tt;

    int det = a * e - b * d;

    int x = ( e * c - b * f) / det;
    int y = (-d * c + a * f) / det;
//    cout << x << y << endl;

    cout << toStr(x) << " " << toStr(y) << endl;
  }
}

string toStr(int n) {
  string pm, val;
  
  if (n < 0) {
    pm = "-";
    n = -n;
  } else {
    pm = "";
  }

  int ipart = n / tt;
  int fpart = (n - ipart * tt) + tt + 5;

  val = pm + intToString(ipart) + "." + intToString(fpart).substr(1, 3);
  return val;
}

string intToString(int n) {
  stringstream ss;
  ss << n;
  return ss.str();
}

C++: #include <iostream>
using namespace std;
int main(){
	double a,b,c,d,e,f,g;
	while(cin>>a>>b>>c>>d>>e>>f){
		g = a*e - b*d;
		printf("%.3f %.3f",(c*e-b*f)/g,(a*f-c*d)/g);
	}
}

C++: #include <iostream>
#include <cstdio>
int main()
{
    double a,b,c,d,e,f,y,x;
    while(std::cin >> a >> b >> c >> d >> e >> f) 
    {
        x = (double)((e*c-b*f) / (a*e-b*d));
        y = (double)((-(d*c)+a*f) / (a*e-b*d)); 
        if(x==0)x=0;
        if(y==0)y=0;
        printf("%.3lf %.3lf",x,y);
    }  
    return 0;
}

C++: #include <iostream>
#include <cstdio>
using namespace std;

int main()
{
  double a,b,c,d,e,f;
  double x=-1001,y=-1001;
  while(cin >> a >> b >> c >> d >> e >> f){
    for(double i=-1000;i<=1000;i=i+0.0001){
      for(double j=-1000;j<=1000;j=j+0.0001){
	if(a*i+b*j==c && d*i+e*j==f){
	  x=i;
	  y=j;
	}
      }
    }
      printf("%.3lf",x);
      cout << " ";
      printf("%.3lf",y);
      cout << endl;
  }
  return 0;
}

C++: #include <iostream>

int main(void) {
    int a, b, c, d, e, f;

    while (std::cin >> a >> b >> c >> d >> e >> f) {
        auto x = (c*e - b*f)/(a*e - b*d);
        auto y = (c*d - a*f)/(b*d - a*e);
        printf ("%.3f %.3f\n",
                x == -0. ? 0.0 : x,
                y == -0. ? 0.0 : y);
    }

    return 0;
}

C++: //
//  main.cpp
//  Sample
//
//  Created by h3037183 on 2017/07/31.
//  Copyright ?? 2017??´ ?°????. All rights reserved.
//

#include <iostream>
#include<cstdio>
#include<algorithm>
using namespace std;
int main(){
    double a,b,c,d,e,f,x,y;
    for(;;){
    cin>>a>>b>>c>>d>>e>>f;
    x=(c*e-b*f)/(a*e-b*d);
    y=(c*d-f*a)/(b*d-a*e);
    printf("%.3lf %.3lf",x,y);
    cout<<endl;
    }
    break
    return 0;
}

C++: #include <iostream>
#include <iomanip>
using namespace std;

int main()
{
	float a, b, c, d, e, f, x, y;

	while (cin >> a >> b >> c >> d >> e >> f) {
		x = (c / b - f / e) / (a / b - d / e);
		if (0 <= x) { x *= -1; }
		y = (c - a * x) / b;

		cout << fixed << setprecision(3) << x << ' ' << y << endl;
	}
    return 0;
}

C++: #include<iostream>
#include<iomanip>
#include<cstdio>

int main(){
	int a,b,c,d,e,f;
	while(std::cin>>a>>b>>c>>d>>e>>f){
		double x,y;
		y=(c*d-a*f)/(b*d-a*e);
		x=(c-b*y)/a;
		if(x==0)x=0.000;
		if(y==0)y=0.000;
		printf("%.3f %.3f\n",x,y);
	}
	return 0;
}