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 <stdio.h>
#include <math.h>
using namespace std;

double round(double src,int n);

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

    while(cin>>a>>b>>c>>d>>e>>f){
        double x = (b*f-c*e)/(b*d-a*e);
        double y = (a*f-c*d)/(a*e-b*d);
        x = round(x,4);
        y = round(y,4);

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

double round(double src,int n){
    double p = src * pow(10,n-1);
    p = floor(p+0.5);
    p = p * pow(10,-(n-1));
    return p;
    
}

C++: #define _USE_MATH_DEFINES

#include <iostream>
#include <string>
#include <iomanip>
#include <cmath>
#include <algorithm>
#include <utility>
#include <vector>
#include <numeric>

using namespace std;

template<typename T> void simultaneous_equation(T &x, T &y, T a, T b, T c, T d, T e, T f)
{
	if (a == 0 || b == 0 || d == 0 || e == 0)
	{
		if (a == 0)
		{
			y = c / b;
			x = (f - e * y) / d;
		}
		else if (b == 0)
		{
			x = c / a;
			y = (f - d * x) / e;
		}

		if (d == 0)
		{
			y = f / e;
			x = (c - b * y) / a;
		}
		else if (e == 0)
		{
			x = f / d;
			y = (c - a * x) / b;
		}
	}
	else
	{
		double a0 = a * e;
		double c0 = c * e;

		double d0 = d * b;
		double f0 = f * b;

		x = (f0 - c0) / (d0 - a0);

		y = (c - a * x) / b;
	}
}

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

		simultaneous_equation(x, y, a, b, c, d, e, f);
		cout << fixed << setprecision(3) << x + 0 << " " << y + 0 << endl;
	}
}

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

int main()
{
	double a,b,c,d,e,f;
	double x,y;
	while(cin>>a>>b>>c>>d>>e>>f)
	{
		-1000 <= a, b, c, d, e, f <= 1000;
		x= (c*e-b*f)/(a*e-b*d);
		y= (c*d-a*f)/(b*d-a*e);
		if(x == -0.00){x=0.00;}
		if(y == -0.00){y=0.00;}
		cout<<setprecision(3);
                cout<<fixed;
		cout<<x<<" "<<y<<endl;
	}
	return 0;
}

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

C++: #include <iostream>
#include <iomanip>
#include <vector>
#include <set>
#include <map>
#include <list>
#include <iterator>
#include <queue>
#include <stack>
#include <deque>
#include <sstream>
#include <algorithm>
#include <numeric>
#include <string>
#include <cmath>
#include <complex>
#include <functional>
#include <cstdio>
#include <cstring>
#include <cstdlib>
#include <cassert>
#include <cstdlib>
#include <cctype>

#define REP(i,m,n) for(int i=m;i<n;i++)
#define rep(i,n) for(int i=0;i<n;i++)
#define rp(i,c) rep(i,(int)c.size())
#define fr(i,c) for(__typeof((c).begin()) i=(c).begin();i!=(c).end();i++)
#define mp make_pair
#define pb push_back
#define all(c) (c).begin(),(c).end()
#define rall(u) (u).rbegin(),(u).rend()
#define dbg(x) cerr<<#x<<" = "<<(x)<<endl
#define v_delete(a,b) (a).erase(remove((a).begin(), (a).end(), b), (a).end())
#define v_unique(a) (a).erase(unique((a).begin(), (a).end()), (a).end())
#define VV(T) vector<vector< T > >
#define init(a,b) memset((a), (b), sizeof((a)))
using namespace std;

typedef long long ll;
typedef vector<int> vi;
typedef pair<int,int> pi;
const int inf=1<<28;
const double INF=1e10,EPS=1e-9;


template<class T>int SIZE(T a){return a.size();}
template<class T>string IntToString(T num){string res;stringstream ss;ss<<num;return ss.str();}
template<class T>T StringToInt(string str){T res=0;for(int i=0;i<SIZE(str);i++)res=(res*10+str[i]-'0');return res;}
template<class T>T gcd(T a,T b){if(b==0)return a;return gcd(b,a%b);}
template<class T>T lcm(T a,T b){return a/gcd(a,b)*b;}

template <class T> void input(T& a, int n) { for (int i = 0; i < n; ++i) cin >> a[i]; }
template <class T> void input(T* a, int n) { for (int i = 0; i < n; ++i) cin >> a[i]; }
typedef pair<int,int> pii;

inline bool IN(int x, int y, int w, int h)
{
    return 0 <= x && x < w && 0 <= y && y < h;
}


int main()
{
	int a,b,c,d,e,f;
	    float x,y,dx,dy;
	    while( cin >> a >> b >>c >>d >> e >> f ) {
	        x = (c*e-b*f)/(float)(a*e-b*d);
	        y = (c - a*x)/(float)b;


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

	return 0;
}

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

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 = (f - e * y) / d;
		// if (fabs(x) < 1e-4) x = 0.0;
		printf("%.3f %.3f\n", x + 0.0, y);
	}

	return 0;
}

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

int main(){
  for(double a1,b1,c1,d1,e1,f1,b2,c2,e2,f2,a3,c3,d3,f3,x,y;cin>>a1>>b1>>c1>>d1>>e1>>f1;){

    b2=b1*d1;
    c2=c1*d1;

    e2=a1*e1;
    f2=a1*f1;

    y=(c2-f2)/(b2-e2);

    a3=a1*e1;
    c3=c1*e1;

    d3=b1*d1;
    f3=b1*f1;

    x=(c3-f3)/(a3-d3);

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

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

int main(void)
{
	int a,b,c,d,e,f;
	float ans[2];

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

	ans[1] = (c*d-a*f)/(b*d-a*e);
	ans[0] = (c*d-b*d*ans[1])/(a*d);

	printf("%.3f %.3f\n", ans[0],ans[1]);

	return 0;
}

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

int main(int argc, char **argv){
	//std::ifstream ifs("test.txt");
	double a = 0;
	double b = 0;
	double c = 0;
	double d = 0;
	double e = 0;
	double f = 0;

	while(std::cin >> a >> b >> c >> d >> e >> f){
	//while(ifs >> a >> b >> c >> d >> e >> f){
		double det = a * e - b * d;
		double x = (c * e - b * f) / det;
		double y = (a * f - c * d) / det;
		
		x = std::round(x * 1000) / 1000.0;
		y = std::round(y * 1000) / 1000.0;

		if(x == - 0){ x = 0; }
		if(y == - 0){ y = 0; }
		std::cout << std::fixed << std::setprecision(3) << x << " " << y << std::endl;
	}
	return 0;
}