Go: package main

import "fmt"

func main() {

	for {
		var a, b, c, d, e, f float64
		var x, y float64
		i, _ := fmt.Scanf("%f %f %f %f %f %f", &a, &b, &c, &d, &e, &f)
		if i != 6 {
			return
		}

		// x = ((e * c) - (b * f)) / ((a * e) - (b * d))
		y = ((a * f) - (d * c)) / ((a * e) - (b * d))
		x = (c - b*y) / a

		fmt.Printf("%.3f %.3f\n", x, y)
	}
}

C++: //#define _USE_MATH_DEFINES
#define _CRT_SECURE_NO_WARNINGS
#include <cstdio>
//#include <cstdlib>
#include <cmath>
#include <iostream>
#include <algorithm>
//#include <cstring>
#include <vector>
#include <string>
#include <map>
#include <list>
#include <queue>
#include <set>
using namespace std;

int main(void){

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

	return 0;
}

/*
for(i=0;i<N;i++){
	cin >> X[i];
}


for(i=0;i<N;i++){
	for(j=0;j<N;j++){
		cin >> X[i][j];
	}
}
*/

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){
    if(-1000 <= a && a<=1000 &&-1000 <= b && b<=1000 &&-1000 <= c && c<=1000 &&-1000 <= d && d<=1000 &&-1000 <= e && e<=1000 &&-1000 <= f && f<=1000){
  double x, y;
  x = ((b*f)/e -c)/((b*d)/e-a);
  y = ((a*f)/d -c)/((a*e)/d-b);
  if(y == 0)y = 0;
  if(x == 0)x = 0;
  cout << fixed << setprecision(3) << x << " " << y << endl;
    }else break;
}
  return 0;
}

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

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

C++: #include <cstdio>

int main(){
    double a,b,c,d,e,f;
    while(scanf("%lf %lf %lf %lf %lf %lf", &a,&b,&c,&d,&e,&f)+1){
        double x = (c*e-b*f)/(a*e-b*d);
        double y = (c*d-a*f)/(b*d-a*e);
        if( x == 0 ) x = 0;
        if( y == 0 ) y = 0;
        //x = ((int)(x*1000+0.5))/1000;
        //y = ((int)(y*1000+0.5))/1000;
        printf("%.3lf %.3lf\n", x, y);
        //printf("%.3lf %.3lf\n", x+0.0005, y+0.0005);
    }

   // double dd = 1.3335;
   // printf("%.3lf\n", dd);
   // //dd = ((int)(dd*1000+0.5))/1000;
   // printf("%.3lf\n", dd*1000);
   // printf("%.3lf\n", dd*1000+0.5);
   // printf("%.3lf\n", ((int)(dd*1000+0.5))/1000);
   // printf("%.3lf\n", dd);
    

    return 0;
}

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

int main(){
    int a,b,c,d,e,f;
    while(cin>>a>>b>>c>>d>>e>>f){
        printf("%.3f %.3f\n",(c*e-b*f)/(a*e-d*b),(c*d-a*f)/(b*d-a*e));
    }
    return 0;
}

C++: #include<stdio.h>
int main(void){
	int a,b,c,d,e,f;
	double x,y,g,h;
	while(scanf("%d %d %d %d %d %d",&a,&b,&c,&d,&e,&f)!=EOF){
		y=(c*d-a*f)/(b*d-a*e);
		x=(c-b*y)/a;
		if(x>=0){
			g=(int)(x+0.5);
		}else{
			g=(int)(x-0.5);
		}
		if(y>=0){
			h=(int)(y+0.5);
		}else{
			h=(int)(y-0.5);
		}
		printf("%.3f %.3f\n",g,h);
	}
	return 0;
}

C++: #include <iostream>
#include <cstdio>
using namespace std;
int main(){

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

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

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

	return 0;
}

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

double get_num(double x){
	x = x * 1000;
	if(x >= 0){
		x = (int)(x + 0.5);
		return ((double)x / 1000);
	} else {
		x = (int)(x - 0.5);
		return ((double)x / 1000);
	}
}

int main(){
	double a, b, c, d, e, f;
	double x, y;
	while(cin >> a >> b >> c
		>> d >> e >> f)
	{
		y = (c * d - f * a) / (b * d - e * a);
		if(a == 0){
			x = (f - e * y) / d;
		} else {
			x = (c - b * y) / a;
		}
		x = get_num(x);
		y = get_num(y);
		cout << setprecision(4) << showpoint << x << " " << y << endl;
	}
	return 0;
}

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

int main() {
	double a, b, c, d, e, f, A ,B, C, x, y;
	while(cin >> a >> b >> c >> d >> e >> f){
		A=a*e-b*d;
		B=c*d-a*f;
		C=c*e-b*f;
		x=C/A;
		y=(-1)*B/A;
		if(x== -0) x=0;
		if(y== -0) y=0;
		printf("%.3f %.3f\n", x, y);
	}
	return 0;
}

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

using namespace std;

int main()
{
	int a, b, c, d, e, f;
	double 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);
		if (x == -0) x = 0;
		if (y == -0) y = 0;
		printf("%.3f %.3f\n", x, y);
	}
	return (0);
}

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

C++: #include<iostream>
#include<iomanip>
#include<string>
#include<algorithm>
#include<functional>
#include<vector>
#include<math.h>
#define L(_i,_N) for(int _i=0;_i<_N;_i++)
#define C(_Dis) cout<<_Dis<<endl;
typedef long long int lli;
using namespace std;

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

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

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

	while(cin >> a >> b >> c >> d >> e >> f){
		double z = a * e - b * d;

		cout << fixed << setprecision(3) << (c * e - b * f) / z << " " << (a * f - c * d) / z << endl;
	}

	return 0;
}

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

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