Go: package main

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

func main() {
        var a, b, c, d, e, f float64
        sc := bufio.NewScanner(os.Stdin)
        for sc.Scan() {
                fmt.Sscanf(sc.Text(), "%f %f %f %f %f %f", &a, &b, &c, &d, &e, &f)

                det := a*e - b*d
                x := (e*c - b*f) / det
                y := (a*f - c*d) / det
                if x == 0.0 {
                        x = math.Abs(x)
                }
                if y == 0.0 {
                        y = math.Abs(y)
                }
                fmt.Printf("%.3f %.3f\n", x, y)
        }
}

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){
    y = (double)(a*f-d*c) / (a*e - b*d);
    x = (c-b*y) / a;
    cout << setprecision(3) << setiosflags(ios::fixed) << x << ' ' << setprecision(3) << setiosflags(ios::fixed) << y << endl;
  }
  return 0;
}

C++: #include <stdio.h>

int main(void)
{
	int a, b, c, d, e, f;
	float x, y;
	
	while(scanf("%d %d %d %d %d %d", &a, &b, &c, &d, &e, &f) != EOF){
		for(x = -1000; x < 1000; x++){
			for(y = -1000; y < 1000; y++){
				if((float)(a * x) + (b * y) == c && (d * x) + (e * y) == f){
					printf("%.3f %.3f\n", x, y);
				}
			}
		}
	}
	return (0);
}

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

using namespace std;

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

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)
{
printf("%.3f %.3f\n", (1.0 * b*f - c*e)/(b*d - a*e), (1.0 * a*f - c*d)/(a*e - b*d));
}
return 0;
}

C++: #include <stdio.h>
#include <iostream>
#include <math.h>
using namespace std;
int main()
{
    float a,b,c,d,e,f,x,y;
    while(scanf("%f%f%f%f%f%f",&a,&b,&c,&d,&e,&f)!=EOF)
    {
        x=(c*e-f*b)/(a*e-d*b);
        y=(c-a*x)/b;
        printf("%.3f %.3f\n",x,y);
    }
    return 0;
}

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

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

using namespace std;

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

    while (cin >> a >> b >> c >> d >> e >> f) {
        int det = a * e - b * d;
        double x = (e * c - b * f) / det + 0.0;
        double y = (a * f - d * c) / det + 0.0;
        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 = 0, y = 0;
  while(cin >> a >> b >> c >> d >> e >> f){

    y = (c * d - a * f) / (b * d - a * e);
    x = (c - b * y) / a;
    y *= 10000.0;
    if((int)y % 10 > 4) y += 1.0;
    y /= 10000.0;
    x *= 10000.0;
    if((int)x % 10 > 4) x += 1.0;
    x /= 10000.0;
    printf("%.3f %.3f\n", x, y);
}
     
}

C++: #include<cstdio>
#include<algorithm>
#include<vector>
#include<string>
#include<iostream>
#include<queue>
#include<map>
#include<set>

using namespace std;

#define reps(i,f,n) for(int i=f;i<int(n);i++)
#define rep(i,n) reps(i,0,n)

int main(){
	double a,b,c,d,e,f;
	while(scanf("%lf%lf%lf%lf%lf%lf",&a,&b,&c,&d,&e,&f)!=EOF){
		
		if(d==0){
			swap(a,d);
			swap(b,e);
			swap(c,f);
		}
		
		double y;
		if(a==0){
			y = b/c;
		}else{
			double A = b/a-e/d;
			double B = c/a-f/d;
			
			y = B/A;
		}
		double x = c/a-b/a*y;
		
		
		printf("%.9lf %.9lf\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 - b * f / e)/(a - b * d / e);
		double y = (c - a * x) / b;
		if(x == 0) x = 0;
		if(y == 0) y = 0;
		printf("%.3lf ", x);
		printf("%.3lf\n", y);
	}
	return 0;
}

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

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

C++: #include <iostream>
#include <string>
#include<iomanip>
using namespace std;
int main(){
	double x,y;
	double a,b,c,d,e,f;
	while(cin>>a>>b>>c>>d>>e>>f){
		x=(c-(b*f/e))/(a-(b*d/e));
		y=(c-a*x)/b;
        x*=1000;
        if(x>=0)
        x+=0.5;
		else
		x-=0.5;
        x=int(x);
        x/=1000;
	    y*=1000;
		if(y>=0)
        y+=0.5;
		else
		y-=0.5;
        y=int(y);
        y/=1000;
		cout<<fixed<<setprecision(3)<<x<<" ";
		cout<<fixed<<setprecision(3)<<y<<endl;
	}
	return 0;
}

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

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

	
	while (~ scanf( "%d%d%d%d%d%d" ,&a,&b,&c,&d,&e,&f) )
	
	{
		double y=(double)(c*d-a*f)/(double)(b*d-a*e);
		if(a!=0)
		
		printf("%.3f %.3f\n",(c-b*y)/a,y);
		else
		printf("%.3f %.3f\n",(f-e*y)/d,y);
	}

    return 0;
    
    }

C++: #include <iostream>

using namespace std;

/*
aX+bY=c
dX+eY=f
*/

void solve(int a, int b, int c, int d, int e, int f) {
	int x = (f - ec/b) / (d - ec/b);
	int y = (c - ax) / b;
	cout << x << " " << y << endl;
}

int main() {
	int a, b, c, d, e, f;
	while (cin >> a >> b >> c >> d >> e >> f) {
		solve(a,b,c,d,e,f);
	}
	return 0;
}

C++: #include <iostream>
#include <iomanip>
using namespace std;
int main(){
	int a,b,c,d,e,f;
	while(cin >> a >> b >> c >> d >> e >> f ){
	int det=a*e-b*d;
	int X,Y; X=c*e-b*f ; Y=a*f-c*d; 
	double x,y;
	if(X==0) x=0;if(Y==0) y=0;
	if(X!=0 && Y!=0) x=(double)X/det;y=(double)Y/det;
	cout << fixed << setprecision(3) ;
	cout << x << ' ' << y << '\n' ;
	};
}

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

using namespace std;

int main(void) {
	while(1) {
		int a, b, c, d, e, f;
		double x, y;
		cin >> a >> b >> c >> d >> e >> f;
		if(cin.eof()) break;

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

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

C++: #include <iostream>
#include <stdio.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= (double)(1.0/(a*e-b*d))*(e*c-b*f);
		y= (double)(1.0/(a*e-b*d))*(-d*c+a*f);
		printf("%.3f %.3f\n", x, y);
	}
	return 0;
}

C++: #include<iostream>
#include<cstdio>
using namespace std;
int main()
{ int i=0;
  double B[6],x,y;
 while(scanf("%lf%lf%lf%lf%lf%lf",&B[0],&B[1],&B[2],&B[3],&B[4],&B[5])!=EOF)
 {
  x=(B[1]*B[5]-B[2]*B[4])/(B[1]*B[3]-B[0]*B[4]);
  y=(B[2]-B[0]*x)/B[1];
  i=0;
  printf("%.3lf %.3lf\n",x,y);
  }
return 0;
}

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

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

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

	return 0;

}

C++: #include <iostream>
#include "stdio.h"
//#include "math.h"

using namespace std;

int main(){
	double a,b,c,d,e,f,x,y;
	while(cin.eof()==false){
//		break;
	a=10000;
	cin >> a >> b >> c >> d >> e >> f;
	if (a==10000){
		break;
	}

	double under = a*e-b*d;
	if((c*e-b*f)/under<0.0005 && (c*e-b*f)/under>-0.0005){
		x=0;
	}
	else{
		x=(c*e-b*f)/under;
	}
	if((a*f-c*d)/under<0.0005 && (a*f-c*d)/under>-0.0005){
		y=0;
	}
	else{
		y=(a*f-c*d)/under;
	}

//	cout << (c*e-b*f)/under << " " << (a*f-c*d)/under << endl;
	printf("%.3f %.3f\n",x,y);
	}
}