Go: package main

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

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

C++: #include <iostream>
#include <sstream>
#include <string>
#include <vector>
#include <deque>
#include <stack>
#include <queue>
#include <set>
#include <map>
#include <bitset>
#include <algorithm>
#include <numeric>
#include <complex>
#include <functional>
#include <utility>
#include <cstdio>
#include <cstdlib>
#include <cstring>
#include <cmath>

using namespace std;

#define debug(n) cout<<"# "<<#n<<": "<<(n)<<endl
#define repi(i,a,b) for(int i=int(a);i<int(b);i++)
#define rep(i,n) repi(i,0,n)
#define iter(c) __typeof((c).begin())
#define tr(c,i) for(iter(c) i=(c).begin();i!=(c).end();i++)
#define allof(c) (c).begin(),(c).end()
#define mp make_pair

typedef long long ll;
typedef vector<int> vi;
typedef vector<vi> vvi;
typedef pair<int,int> pii;

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

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

int main(int argc, const char * argv[])
{
    double a, b, c, d, e, f, x, y;
    //cin >> a >> b >> c >> d >> e >> f
//    while (scanf("%lf %lf %lf %lf %lf %lf ", &a, &b, &c, &d, &e, &f) != EOF) {
    
    while (std::cin >> a >> b >> c >> d >> e >> f) {
        x = y = 0;
        x = (b*f - c*e) / (b*d - a*e);
        y = ((a*b*f - a*c*e) / (a*b*e- b*b*d) + c / b);
        printf("%.3f %.3f\n", x, y);
    }
    
    return 0;
}

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

int main() {
	double a = 0, b = 0, c = 0, d = 0, e = 0, f = 0;
	double x, y;
	while (cin >> a >> b >> c >> d >> e >> f) {
		cout << a << endl;
	}
	return 0;
}

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

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

    while(cin >> a >> b >> c >> d >> e >> f){
        t = a*e - b*d;
        x = (e*c - b*f) / t + 0.0;
        y = (a*f - d*c) / t + 0.0;

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

    return 0;
}

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

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

void OutputSolution(int a, int b, int c, int d, int e, int f)
{
    double x, y;
	if(b == 0){
		x = c / a;
		y = (f-d*x) / e;
	}else{
		int B = b;
		a *= e;
		b *= e;
		c *= e;
		d *= B;
		e *= B;
		f *= B;
		x = (c-f) / (a-d);
		y = (c-a*x) / b;
	}
	if(x == -0) x = 0;
	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;
int main(void){
    // Here your code !
    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);
        x *= 1000; x = x + (x > 0 ? 0.5 : -0.5); x = (int)x;
        y *= 1000; y = y + (y > 0 ? 0.5 : -0.5); y = (int)y;
        //cout << %.3f %.3f\n << x / 1000 << y / 1000 << endl;
        cout << fixed << setprecision(4) << x /1000 << "," << y / 1000 <<endl;
    }
    return 0;
}

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

#define rep(i, n) REP(i, 0, n)
#define ALL(v) v.begin(), v.end()
#define MSG(a) cout << #a << " " << a << endl;
#define REP(i, x, n) for (int i = x; i < n; i++)
#define OP(m) cout << m << endl;
typedef long long ll;
typedef unsigned long long ull;

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

        double x = (1 / det) * (e * c - b * f), y = (1 / det) * (-d * c + a * f);
        if (x == 0)
            x = 0;
        if (y == 0)
            y = 0;
        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", floor(x * 1000.0) / 1000.0, floor(y * 1000.0) / 1000.0);
  }
  return 0;
}

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

using namespace std;

int main(){
  int a, b, c, d, e, f;
  while(true){
	if(!(cin >> a >> b >> c >> d >> e >> f)) return 0;
	double det = a*e - b*d;
	double x = (e*c-b*f)/det;
	double y = (-d*c+a*f)/det;
	printf("%.3f %.3f\n", (int)(x*1000)/1000.0, (int)(y*1000)/1000.0 );
  }
}

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

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

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

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

	return 0;
}

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

C++: #include<stdio.h>
#include<iostream>
using namespace std;
int main(void){
    double a, b, c, d, e, f;
    while(cin >> a >> b >> c >> d >> e >> f){
        double x = (f - ((c*e)/b)) / (d - ((a*e)/b));
        double y = (c/b) - ((a*x)/b);

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

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

int main() {
	std::cout << std::setprecision(3);
	std::cout.setf(std::ios::fixed, std::ios::floatfield);
	int a, b, c, d, e, f;
	while( std::cin >> a >> b >> c >> d >> e >> f ) {
		const double x = (b*f-c*e) / (b*d-a*e);
		const double y = (c-a*x) / b;
		std::cout << x << " " << y << std::endl; 
	}
}

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

int main() {
	double a, b, c, d, e, f;
	while (cin >> a >> b >> c >> d >> e >> f) {
		printf("%.3f", (c*e - b*f) / (a*e - d*b));
		cout << ' ' ;
		printf("%.3f", (c*d - a*f) / (b*d - a*e));
	}
}

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

int main()
{
	int 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 = (f - d*x) / e;
		printf("%1.3f %1.3f", x, y);
	}

	return 0;
}