Go: package main

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

var sc = bufio.NewScanner(os.Stdin)
var out = bufio.NewWriter(os.Stdout)

func main() {
	sc.Split(bufio.ScanWords)
	defer out.Flush()
	for {
		data := nextInts(6)
		fmt.Printf("%.3f\n", Round(GetX(data[0], data[1], data[2], data[3], data[4], data[5]), 3))
		fmt.Printf("%.3f\n", Round(GetY(data[0], data[1], data[2], data[3], data[4], data[5]), 3))
	}
}

func GetX(a, b, c, d, e, f float64) float64 {
	return float64(((c * e) - (b * f)) / ((a * e) - (b * d)))
}

func GetY(a, b, c, d, e, f float64) float64 {
	return float64(((c * d) - (a * f)) / ((b * d) - (a * e)))
}

func Round(f float64, places int) float64 {
	shift := math.Pow(10, float64(places))
	return math.Floor(f*shift+.5) / shift
}

func next() string {
	sc.Scan()
	return sc.Text()
}

func nextInt() float64 {
	a, _ := strconv.Atoi(next())
	return float64(a)
}

func nextInts(n int) []float64 {
	a := make([]float64, n)
	for i := 0; i < n; i++ {
		a[i] = nextInt()
	}
	return a
}

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>
#include<cstdio>
using namespace std;
int main()
{
  double a,b,c,d,e,f,x,y;
  while(scanf("%lf %lf %lf %lf %lf %lf",&a,&b,&c,&d,&e,&f) != EOF){
    x = (c-b*(c*d-a*f)/(b*d-a*e))/a; 
    y = (c*d-a*f)/(b*d-a*e);
    if(x == -0)x = 0;
    if(y == -0)y = 0;
    pirntf("%3f %3f",x,y);
  }
}

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

void OutputSolution(int a, int b, int c, int d, int e, int f)
{
	int B = b;
	a *= e;
	b *= e;
	c *= e;
	d *= B;
	e *= B;
	f *= B;
	double x = (c-f) / (a-d);
	double y = (c-a*x) / b;
	cout << fixed << setprecision(3) << x << ' ' << y << endl;
}

int main()
{
	while(true){
		int a, b, c, d, e, f;
		cin >> a >> b >> c >> d >> e >> f;
		if(cin.eof()) break;
		OutputSolution(a, b, c, d, e, f);
	}
	return 0;
}

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

void solve_SE(double* x, double a, double b, double c, double d, double e, double f)
{
    x[0] = (c * e - f * b) / (a * e - d * b);
    x[1] = (c * d - f * a) / (b * d - e * a);
}

int main()
{
    double a, b, c, d, e, f;
    double x[2];
    while (cin >> a >> b >> c >> d >> e >> f) {
        solve_SE(&x[0], a, b, c, d, e, f);
        for (int i = 0; i < 2; i++) {
            x[i] *= 1000;
            x[i] += 0.5;
            x[i] = static_cast<int>(x[i]) / 1000;
        }
        cout << fixed << setprecision(3) << x[0] << ' ' << x[1] << endl;
    }
}

C++: #include<iostream>
#include<iomanip>
using namespace std;
int main(void){
    double a{},b{},c{},d{},e{},f{},x{},y{};
    while(cin>>a>>b>>c>>d>>e>>f){
        x=(c*e-b*f)/(a*e-b*d);
        y=(a*f-c*d)/(a*e-b*d);
        cout<<fixed<<setprecision(3)<<x<<' '<<y<<endl;
    }
    return 0;
}

C++: #include <stdio.h>
#include <math.h>

#define DEBUG

#ifndef DEBUG 
#define fprintf (void)
#endif 

int main(void){
	
	double a,b,c,d,e,f;
	double x,y,div;
	int i;
	

	while(scanf("%lf",&a)!=EOF){
		scanf("%lf",&b);
		scanf("%lf",&c);
		scanf("%lf",&d);
		scanf("%lf",&e);
		scanf("%lf",&f);
		
		div=b*d-a*e;
		x=(b*f-c*e)/div;
		y=(c*d-a*f)/div;
		
		x=round(x);
		y=round(y);
		
		if(x==-0){
			fprintf(stdout,"yabaix\n");
			x=fabs(x);
		}
		
		if(y==-0){
			fprintf(stdout,"yabaiy\n");
			y=fabs(y);
		}
		
		printf("%lf %lf\n",x,y);
	}
	
	return 0;
}

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

int main() {
  double a, b, c, d, e, f;
  while (cin >> a >> b >> c >> d >> e >> f) {
    double x = (c * e - b * f) / (a * e - b * d);
    double y = (c - a * x) / b;
    cout << fixed << setprecision(3) << x + 0 << " " << y + 0 << endl;
  }
  return 0;
}

C++: #include <stdio.h>

int main(){
	int i,j;
	int a,b,c,d,e,f;
	int tmp;
	float x,y;
		
	while(scanf("%d %d %d %d %d %d\n",&a,&b,&c,&d,&e,&f)!=EOF){
		tmp = d;
		d*=a; e*=a; f*=a;
		a*=tmp; b*=tmp; c*=tmp;
		y=(float)((float)(c-f)/(float)(b-e));
		x=(float)((float)(c-b*y)/a);
		if(x<0&&x>-0.0004){
			x = 0.000000;
		}
		if(y<0&&y>-0.0004){
			y = 0.000000;
		}
		printf("%0.3f %0.3f\n",x,y);
	}
	
	
	return 0;
}

C++: #include <iostream>
#include <iomanip>
using namespace std;
int main() {
    double a, b, c, d, e, f;
    while(cin >> a) {
        cin >> b >> c >> d >> e >> f;
        double x = (c * e - b * f) / (a * e - b * d);
        double y = (-c * d + a * f) / (a * e - b * d);
        cout << fixed << setprecision(3) << x << " " << y << endl;
    }
    return 0;
}

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

int main(){
    double a, b, c, d, e, f;
    while(cin >> a >> b >> c >> d >> e >> f){
        double y = (c-(a/d)*f)/(b-(a/d)*e) + 1e-9;
        double x = (c - b*y) / a + 1e-9;
        printf("%.4f %.4f", x,y);
        puts("");
    }
    return 0;
}

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

using namespace std;

double round(double source, int precision) {	// 四捨五入
	return floor((fabs(source) * pow(10, (double)precision) + 0.5)) / pow(10, (double)precision) * (source < 0 ? -1 : 1);
}

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

	while (cin >> a >> b >> c >> d >> e >> f) {
		x = (c * e - b * f) / (a * e - b * d);
		y = (a * f - c * d) / (a * e - b * d);

		cout.precision(3);
		cout << fixed << round(x, 3) << " " << round(y, 3) << endl;
		//cout << fixed << x + 1e-10 << " " << y + 1e-10 << endl;
	}

	return 0;
}

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

int main()
{
    int a,b,c,d,e,f;
    double x,y;
    for(int i=0;i<2;i++){
        cin>>a>>b>>c>>d>>e>>f;
        double l,m,n;
        l=a/d;
        m=b-e*l;
        n=c-f*l;
        y=n/m;
        x=(c-b*y)/a;
        printf("%.3f %.3f\n",x,y);
    }
    return 0;
}

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


int main(void){

  int a;
  int b;
  int c;
  int d;
  int e;
  int f;

  float x;
  float y;

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

  x = a * e - b * d ;
  y = b * d - a * e ;

  if ((x == 0) && (y == 0)){
    cerr << "error" << endl;
    exit(1);
  }else if(x == 0){
    cerr << "error" << endl;
    exit(1);
  }else if(y == 0){
    cerr << "error" << endl;
    exit(1);
  }else{

    if(c * e - b * f == 0){
      x = 0;
    }else{
      x = ( c * e - b * f ) / x ;
    }

    if(c * d - a * f == 0){
      y = 0;
    }else{
      y = ( c * d - a * f) / y;
    }

    printf("%.3f %.3f\n",x,y);
  }

  return 0;


}

C++: #include <iostream>
#include <cstdio>
#include <cmath>
using namespace std;
int main() {
  int a, b, c, d, e, f;
  double x, y;
  while (cin >> a >> b >> c >> d >> e >> f) {
    x = (b * f - c * e) / (b * d - a * e);
    y = (a * f - c * d) / (a * e - b * d);
    printf("%.3f %.3f\n", round(x * 1000) / 1000, round(y * 1000) / 1000);
  }
  return 0;
}