Go: package main

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

var sc = bufio.NewScanner(os.Stdin)

func main() {
	sc.Split(bufio.ScanWords)
	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 ((c * e) - (b * f)) / ((a * e) - (b * d))
}

func GetY(a, b, c, d, e, f float64) float64 {
	return ((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++: #include<bits/stdc++.h>
using namespace std;
#define FOR(i,a,b) for (int i=(a);i<(b);i++)
#define RFOR(i,a,b) for (int i=(b)-1;i>=(a);i--)
#define REP(i,n) for (int i=0;i<(n);i++)
#define RREP(i,n) for (int i=(n)-1;i>=0;i--)
typedef long long LL;
int main(){
        double a,b,c,d,e,f;
        while(cin>>a,cin>>b>>c>>d>>e>>f){
           cout<<setprecision(3)<<fixed<<(f-e/b*c)/(d-e/b*a)<<" "<<(f-d/a*c)/(e-d/a*b)<<endl;
        }
	return(0);
}

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

int main(){
    	int a, b, c, d, e, f;
	double x, y;
	while(1){
	if (!(cin>>a>>b>>c>>d>>e>>f))break;
		x= round( (double)(1000.0/(a*e-b*d))*(e*c-b*f) ) / 1000.0;
		y= round( (double)(1000.0/(a*e-b*d))*(-d*c+a*f)) / 1000.0;
		cout << fixed << setprecision(3) << (double)x << " " << (double)y << endl;
	}
	return 0;
}

C++: #include <iostream>
#include <stdio.h>
#include <stdlib.h>
#include <math.h>
double gcd( double m, double n );
double lcm( double m, double n );
int main(int argc, const char * argv[])
{
    double a=0.0;
    double b=0.0;
    double c=0.0;
    double d=0.0;
    double e=0.0;
    double f=0.0;
    double x=0.0;
    double y=0.0;
    
    while(scanf("%lf",&a)!=EOF){
        scanf("%lf",&b);
        scanf("%lf",&c);
        scanf("%lf",&d);
        scanf("%lf",&e);
        scanf("%lf",&f);
        double ad = lcm( a,d );
        printf("%lf\n",ad);
        
        double a2 = ad/a;
        double b2 = b*a2;
        double c2 = c*a2;
        
        double d2 = ad/d;
        double e2 = e*d2;
        double f2 = f*d2;
        
        y = (c2-f2)/(b2-e2);
        x = (c-b*y)/a;
        
        printf("%.4lf",x);
        printf(" ");
        printf("%.4lf\n",y);
        
    }
    
}
double gcd( double m, double n )
{
	if ( ( 0.0 == m ) || ( 0.0 == n ) )
		return 0;
	while( m != n )
	{
		if ( m > n ) m = m - n;
		else         n = n - m;
	}
	return m;
}

double lcm( double m, double n )
{
	if ( ( 0.0 == m ) || ( 0.0 == n ) )
		return 0;
	
	return ((m / gcd(m, n)) * n);
}

C++: #include<cstdio>

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