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

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


int main(){
    
	double a, b, c, d, e, f;
    double x, y;
    
	while(cin>> a>> b>> c >> d>> e>> f){
        
        x = 0.0;
        y = 0.0;
        
                
        y = (c*d-f*a)/(b*d-a*e);
        
        x = (c-b*y) / a;

        if (x == 0) {
            x = 0;
        }
        else if (y == 0) {
            y = 0;
        }
        
        printf("%.3f %.3f\n", x, y);
        
        
	}
    
    
	return 0;
}

C++: #include <stdio.h>
#pragma warning(disable : 4996)
long double a, b, c, d, e, f, x, y;
int main() {
	while (~scanf("%Lf%lf%lf%lf%lf%lf", &a, &b, &c, &d, &e, &f)) {
		x = (c * e - b * f) / (a * e - b * d);
		y = (a * f - c * d) / (a * e - b * d);
		if (-0.0005 < x && x < 0.0005) x = 0.0;
		if (-0.0005 < y && y < 0.0005) y = 0.0;
		printf("%.3Lf %.3Lf\n", x, y);
	}
	return 0;
}

C++: #include <iostream>
#include<string>
#include<cmath>
#include<algorithm>
#include<cctype>
#include<queue>
#include<stack>
#include<stdio.h>
#include<vector>
#include<set>
#include<map>
#include<iomanip>
#define rep(i,n) for(int i=0;i<n;i++)
typedef int long long ll;

using namespace std;
int main(){

    double a,b,c,d,e,f;
    
    while(cin>>a){
        cin>>b>>c>>d>>e>>f;
        double h=a*e-b*d;
        double xx=(c*e-f*b);
        double yy=(a*f-c*d);
        
        //double ue=a*c+b*f;
        //double st=d*c+e*f;
        
        double x=xx/h;
        double y=yy/h;
        printf("%.3f %.3f \n",x,y);
       
    }
return 0;
}

C++: #include<bits/stdc++.h>
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)
  {
  	 y=(c*d-f*a)/(b*d-e*a); x=(c-b*y)/a; 
 	  printf("%.3f %.3f\n",x,y);
  }
   return 0;
 }

C++: #include <iostream>
#include <iomanip>
#define REP(i,n) for(int i=0;i<n;i++)
using namespace std;

int main() {
    int a[3];
    int b[3];
    int y[3];
    int x[3];
    while(true) {
    REP(i,3)
        cin >> a[i];
    REP(i,3)
        cin >> b[i];
    if(!cin)
        return 0;
    REP(i,3) 
        y[i] = b[i]*a[0] - a[i]*b[0];
    REP(i,3)
        x[i] = b[i]*y[1] - y[i]*b[1];
    double o[2];
    o[0] = x[2]/double(x[0]);
    o[1] = y[2]/double(y[1]);
    REP(i,2)
        o[i] = (o[i]==0)?0:o[i];
    cout << fixed << setprecision(3) << o[0] << ' ';
    cout << fixed << setprecision(3) << o[1] << '\n';
    }
}

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

using namespace std;

double roundOff(double);
int main(void){
	for(int a, b, c, d, e, f; cin >> a >> b >> c >> d >> e >> f;){
		double delta = a * e - b * d;
		double x = roundOff((c * e - b * f) / delta);
		double y = roundOff((a * f - c * d) / delta);

		cout.setf(ios::showpoint);
		cout << setprecision(3) << x << " " << y << endl;
	}
	return 0;
}

double roundOff(double a){
	a*=1000;
	a = int(a + 0.5 - (a < 0));
	a/=1000.;
	return a;
}

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

int a, b, c, d, e, f;
double x, y;

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

	return 0;
}

C++: #include <cmath>
#include <ctime>
#include <algorithm>
#include <iostream>
#include <map>
#include <numeric>
#include <set>
#include <sstream>
#include <string>
#include <vector>
#include <list>
#include <deque>
#include <stack>
#include <bitset>
#include <functional>
#include <numeric>
#include <utility>
#include <iomanip>
#include <cstdio>
#include <cctype>
#include <queue>
#include <complex>
#include <climits>

typedef long long ll;

using namespace std;

int main(void){
	while(1){
		int a,b,c,d,e,f;
		if(cin >> a == 0) break;
		cin >> b >> c >> d >> e >> f;
		double x, y;
		x = (double)(e*c-b*f)/(a*e-b*d);
		y = (double)(a*f-c*d)/(a*e-b*d);

		cout<< setprecision(3) << setiosflags(ios::fixed) << x << " " << y << endl;
	}

	return 0;
}

C++: #include <iostream>
#include <cstdio>
using namespace std;
int main(void){
	
	double x, y;
	int a, b, p;
	int c, d, q;

	while (cin >> a >> b >> p >> c >> d >> q){

		x = (double)((p * d - b * q) / (a * d - b * c));
		y = (double)((a * q - p * c) / (a * d - b * c));

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

C++: #include<iostream>
#include<cstdio>
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 = (a*f - c*d) / (a*e - b*d);
		if (x == 0)x = 0;
		if (y == 0)y == 0;
		printf("%.3f %.3f\n", x, y);
	}
    return 0;
}

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

/*
??£???????¨????
	ax + by = c
	dx + ey = f
????§£x, y???????????????????????°??????
*/
int main() {
	double a, b, c, d, e, f;
	int cnt = 0;						//??\??????????????£???????¨????????????°
	std::vector<double> x_vector;		//x????§£???????´?
	std::vector<double> y_vector;		//y????§£???????´?

#if 0
	while (cnt < 2) {
		cin >> a >> b >> c >> d >> e >> f;
#else
	while (cin >> a >> b >> c >> d >> e >> f) {
#endif
		double x = (b * f - c * e) / (b * d - a * e);
		double y = (c * d - a * f) / (b * d - a * e);

		cnt++;
		x_vector.push_back(x);
		y_vector.push_back(y);
	}

	for (unsigned int i = 0; i < cnt; i++) {
		double x_result = std::round(x_vector[i] * 1000) / 1000;
		double y_result = std::round(y_vector[i] * 1000) / 1000;

		std::cout << std::fixed;
		std::cout << std::setprecision(3) << x_result << " ";
		std::cout << std::setprecision(3) << y_result << endl;
	}

	//???????????°
	//while (1);

	return 0;
}

C++: #include <bits/stdc++.h>
using namespace std;

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

C++: /*
C++ ???????????????????????????????????¬??????
??????AOJ-ITP1??????????????????
*/
#define _USE_MATH_DEFINES

#include <iostream> // ?¨??????\??????
#include <fstream>  // ??????????????\??????
#include <string>   // ???????????¢???
#include <vector>   // ???????????????
#include <cmath>    // ??°??????
#include <iomanip>  // stream???????????¢???
#include <algorithm>// max??¢??°??????

using std::cin;
using std::cout;
using std::endl;
using std::string;
using std::vector;        // ????´???°????????????????????????
using std::fixed;         // ???????????????????¨???????????????????????????????
using std::setprecision;  // ?????°????°???°?????\???????????°????????????????????¨????????\???

int main() {
	double a, b, p, c, d, q;
	double x, y;

	while (true)
	{
		cin >> a >> b >> p >> c >> d >> q;
		
		x = (p*d - b*q) / (a*d - b*c);
		y = (a*q - p*c) / (a*d - b*c);
		
		cout << fixed << setprecision(4) << x << " " << y << endl;
	}
	return 0;
}