Go: package main

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

func gcd(num1, num2 int) int {
	if num2 == 0 {
		return num1
	}
	num3 := num1 % num2
	return gcd(num2, num3)
}

func lcm(num1, num2 int) int {
	if num1%num2 != 0 {
		num3 := gcd(num1, num2)
		for i := 1; ; i++ {
			check := num3 * i
			if check%num1 == 0 && check%num2 == 0 {
				return check
			}
		}
	} else {
		return num1
	}
}

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]
		lcm := lcm(a, d)
		mulA := lcm / a
		mulD := lcm / d
		a *= mulA
		b *= mulA
		c *= mulA
		d *= mulD
		e *= mulD
		f *= mulD

		if d < 0 {
			d *= -1
			e *= -1
			f *= -1
		}

		bE := b - e
		cF := c - f
		y := float64(cF) / float64(bE)
		x := (float64(c) - (y * float64(b))) / float64(a)

		if x == 0 {
			fmt.Printf("%.3f ", 0.0)
		} else {
			fmt.Printf("%.3f ", x)
		}
		if y == 0 {
			fmt.Printf("%.3f\n", 0.0)
		} else {
			fmt.Printf("%.3f\n", y)
		}
	}
}

C++: #include <iostream>
#include <cstdio>
#include <limits>
#define eps 1e-10
using namespace std;

int main(void) {
    double a, b, c, d, e, f;
    //double inf = numeric_limits<double>::infinity();
    while(scanf("%lf %lf %lf %lf %lf %lf", &a, &b, &c, &d, &e, &f) != EOF) {
        double ya = d * c - a * f;
        double yb = b * d - a * e;
        if(yb == 0) yb += eps;
        double y = ((ya) / (yb));
        //if(yb == 0) y = inf;
        if(a == 0) a += eps;
        double x = ((c - b * y) / a);
        //if(a == 0) x = inf;
        printf("%.3f %.3f\n",x, y);
    }
    
    return(0);
}

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

using namespace std;

double a, b, c, d, e, f;
double tmp_x, tmp_y, tmp;

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

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){
        double x = (e*c - b*f) / (e*a - d*b);
        double y = (a*f - d*c) / (e*a - d*b);
        cout << fixed << setprecision(3) << x << " " << y;
    }

    return 0;
}

C++: #include <iostream>
#include <stdio.h>

using namespace std;

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

	while(cin>>a>>b>>c>>d>>e>>f){	
			double x,y;

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

			double diff = 0.5;

			x<0?(diff=-0.5):(diff=0.5);
			x = (int)(x*1000+diff);
			
			y<0?(diff=-0.5):(diff=0.5); 
			y = (int)(y*1000+diff); 
			

			x /= 1000;y/=1000;
			

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

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

int main()
{
	double a,b,c,d,e,f;
	cout.precision(4);
	while (cin >> a && cin >> b && cin >> c && cin >> d && cin >> e && cin >> f){
		cout << (f/e - c/b) / (d/e - a/b) << endl;
		cout << (f/d - c/a) / (e/d - b/a) << endl;
	}
	return 0;
}

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

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*(c*e - b*f);
		double y = 1/det*(-c*d + a*f);	
		x = round(1000*x) / 1000;
        y = round(1000*y) / 1000;
        if(x==0)x=0;
        if(y==0)y=0;

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

C++: #include<iostream>
#include<string>
#include<cmath>
#include<queue>
#include<vector>
#include<functional>
#include<algorithm>
#include<cstdio>
using namespace std;
int main() {
	long double a, b, c, d, e, f;
	while (cin >> a >> b >> c >> d >> e >> f) {
		c *= (d / a);
		b *= (d / a);
		a *= (d / a);
		long double ansx=0, ansy=0;
		if (f - c != 0) {
			ansy = (f - c) / (e - b);
		}
		if (a != 0) {
			ansx = (c - ansy*b) / a;
		}
		ansx *= 1000;
		ansx = round(ansx);
		ansx /= 1000;
		ansy *= 1000;
		ansy = round(ansy);
		ansy /= 1000;
		if (ansx == 0) ansx = 0;
		if (ansy == 0) ansy = 0;
		printf("%.3LF %.3LF\n", ansx, ansy);
	}
}

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

using namespace std;
 
int main(){
	double 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 = (c*d - a*f)/(b*d - a*e);

		if(x==0) x=0;
		if(y==0) y=0;

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

C++: #include<iostream>
#include<algorithm>
#include<vector>
#include<stack>
#include<queue>
#include<cstdio>
#include<climits>
#include<cmath>
#include<cstring>
#include<string>

#define f first
#define s second
#define mp make_pair

#define REP(i,n) for(int i=0; i<(int)(n); i++)
#define FOR(i,c) for(__typeof((c).begin()) i=(c).begin(); i!=(c).end(); i++)
#define ALL(c) (c).begin(), (c).end()

using namespace std;

typedef unsigned int uint;
typedef long long ll;

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

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

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

    cin >> a >> b >> c >> d >> e >> f;

    double A = a*e-b*d;
    double ans1, ans2;
    ans1 = (c*e - b*f)/A;
    ans2 = (-c*d + a*f)/A;
    if(ans1<0.0005 && ans1> -0.0005) ans1 = 0;
    if(ans2<0.0005 && ans2> -0.0005) ans2 = 0;

    printf("%1.3f %1.3f\n",ans1,ans2);

    return 0;
}

C++: #include <iostream>
using namespace std;
typedef long long int ll;
int main(){
	cin.tie(nullptr);
	ios::sync_with_stdio(false);
	double a,b,c,d,e,f; 
	while(cin >> a >> b >> c >> d >> e >> f){
		double y=(c*d-a*f)/(b*d-a*e);
    	double x=(c-b*y)/a;
    	printf("%.3lf %.3lf\n",x,y);
	}
}

C++: #include <iostream>

using namespace std;

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

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

double nth_round(double value, int n) {
    double scale = pow(10, n - 1);
    return std::round(value * scale + 0.01) / scale;
}

int main() {
    double a, b, c, d, e, f;
    double coef;
    
    while (std::cin >> a >> b >> c >> d >> e >> f) {
        coef = 1. / (a * e - b * d);
        std::cout << std::fixed
                  << std::setprecision(3)
                  << nth_round(coef * (c * e - b * f), 4) << " "
                  << nth_round(coef * (a * f - c * d), 4) << std::endl;
    }

    return 0;
}