Go: package main

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

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]
		var mulA, mulD int
		if a < 0 {
			mulA = a * -1
		} else {
			mulA = a
		}
		if d < 0 {
			mulD = d * -1
		} else {
			mulD = d
		}
		a *= mulD
		b *= mulD
		c *= mulD
		d *= mulA
		e *= mulA
		f *= mulA

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

		bE := b - e
		cF := c - f
		if bE == 0 {
			bE = 1
		}
		y := cF / bE
		x := (c - (y * b)) / a

		fmt.Print(x)
		fmt.Print(".000 ")
		fmt.Print(y)
		fmt.Println(".000")
	}
}

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

int main()
{
	int a[6];
	double x, y;
	for (int i = 0; i < 6; ++i)
		std::cin >> a[i];

	y = (double)(a[0] * a[5] - a[2] * a[3]) / (double)(a[0] * a[4] - a[1] * a[3]);
	x = (double)(a[5] - a[4] * y) / (double)a[3];

	std::cout << std::fixed << std::setprecision(4) << x << " " << y << std::endl;

	return 0;
}

C++: #include<iostream>
#include<stdio.h>
using namespace std;
int main()
{
    float a,b,c,d,e,f,i,j;
    while(cin>>a>>b>>c>>d>>e>>f)
    {
        i=(c*e-b*f)/(a*e-b*d);
        j=(a*f-c*d)/(a*e-b*d);
        printf("%.3f %.3f",i,j);
    }

    return 0;
}

C++: #include<stdio.h>
#include<iostream>
#include<cmath>
#define EPS 0.001
 
using namespace std;
 
main(){
  int a, b, c, d, e, f;
  double x, y;
  while ( cin >> a >> b >> c >> d >> e >> f ){
    x = 1.0 * ( c*e - b*f ) / ( a*e - b*d ) + EPS;
    y = 1.0 * ( c*d - a*f ) / ( b*d - a*e ) + EPS;
    printf("%.3lf %.3lf\n", x, y);
  }
}

C++: #include <stdio.h>

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

	while(scanf("%lf %lf %lf %lf %lf %lf",&a,&b,&c,&d,&e,&f) != EOF){
		tmp = a/d;
		b -= e*tmp;
		c -= f*tmp;
		y = c / b;
		f -= e*y;
		x = f / d;
		if((int)(x*1000.0) == 0){
			x = 0.0;
		}else if((int)(y*1000.0) == 0){
			y = 0.0;
		}
		printf("%.3lf %.3lf\n",x,y);
	}

	return 0;
}

C++: #include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <math.h>

#define N 1024


double func(double x)
{
	x *= 1000;
	x = (double)(int)(x + 0.5);
	x /= 1000;
	return x;
}

int main()
{
	char buff[N];
	
	while (NULL != fgets(buff, N, stdin))
	{
		double a, b, c, d, e, f;
		sscanf(buff, "%lf %lf %lf %lf %lf %lf", &a, &b, &c, &d, &e, &f);
		
		double dd = a * e - b * d;
		double x = ( e * c - b * f ) / dd;
		double y = ( - d * c + a * f ) / dd;
		
		x = func(x);
		y = func(y);

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


}

C++: #include <cstdio>

int main(){
  double a,b,c,d,e,f;
  while(~scanf("%lf %lf %lf %lf %lf %lf",&a,&b,&c,&d,&e,&f))
    printf("%.3f %.3f",(c*e-b*f)/(a*e-b*d),(-c*d+a*f)/(a*e-b*d));
}

C++: #include <cstdio>
#include <iostream>
double sol[10000][2];
int main()
{
    double a, b, e, c, d, f;
    int i = 0;
    while (std::cin >> a >> b >> e >> c >> d >> f)
    {
        double det = a * d - b * c;
 
        double aa = d / det, bb = -b / det, cc = -c / det, dd = a / det;
        sol[i][0] = aa * e + bb * f;
        sol[i][1] = cc * e + dd * f;
 
        i++;
    }
    for (int j = 0; j < i; j++)
        printf("%.3f %.3f\n", sol[j][0], sol[j][1]);
    return 0;

C++: #include <iostream>
#include <stdio.h>
#include <math.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 = (c * e - b * f) / (a * e - b * d);
    y = (a * f - c * d) / (a * e - b * d);
    x *= 1000;
    x += 0.5;
    x = floor(x);
    x /= 1000;
    y *= 1000;
    y += 0.5;
    y = floor(y);
    y /= 1000;
    printf("%.3f %.3f\n", x, y);

  }
  return 0;
}

C++: #include<stdio.h>
int main(){
	double a,b,c,d,e,f,x,y;
	while(scanf("%lf%lf%lf%lf%lf%lf",&a,&b,&c,&d,&e,&f)!=-1){
		x=((c*e-f*b)/(a*e-d*b));
		y=((c-a*x)/b);
		if(x>0)x+=0.0005;
		else x-=0.0005;
		if(y>0)x+=0.0005;
		else y=-0.0005;
		printf("%.3lf %.3lf\n",x,y);
	}
	return 0;
}

C++: #include <bits/stdc++.h>
using namespace std;
//#include <boost/multiprecision/cpp_int.hpp>
//using multiInt = boost::multiprecision::cpp_int;

using ll = long long int;
using ld = long double;
using pii = pair<int, int>;
using pll = pair<ll, ll>;
template<typename Q_temp>
using smaller_queue = priority_queue <Q_temp, vector<Q_temp>, greater<Q_temp> >;

const int INF = (int) 1e9;
const ll LINF = (ll) 4e18;
const ll MOD = (ll) (1e9 + 7);
const double PI = acos(-1.0);
const int limit = 100010;

#define REP(i,m,n) for(ll i = m; i < (ll)(n); ++i)
#define rep(i,n) REP(i, 0, n)
#define MP make_pair
#define MT make_tuple
#define YES(n) cout << ((n) ? "YES" : "NO") << endl
#define Yes(n) cout << ((n) ? "Yes" : "No") << endl
#define Possible(n) cout << ((n) ? "Possible" : "Impossible") << endl
#define all(v) v.begin(), v.end()
#define NP(v) next_permutation(all(v))
#define dbg(x_) cerr << #x_ << ":" << x_ << endl;
#define dbg2(x_) for(auto a_ : x_) cerr << a_ << " "; cerr << endl;
#define dbg3(x_ , sx_) rep(i, sx_) cerr << x_[i] << " "; cerr << endl;
vector<int> Dx = {0, 0, -1, 1, -1, 1, -1, 1, 0};
vector<int> Dy = {1, -1, 0, 0, -1, -1, 1, 1, 0};

inline ll CEIL(ll a, ll b) {
    return (a + b - 1) / b;
}

//------------------------------------------------------

int main() {
    cin.tie(0);
    ios::sync_with_stdio(false);

    ld a, b, c, d, e, f;
    while (cin >> a >> b >> c >> d >> e >> f) {
        ld x = round((c * e - b * f) / (a * e - b * d) * 1000.0) / 1000.0;
        ld y = round((c * d - a * f) / (b * d - a * e) * 1000.0) / 1000.0;
        cout << fixed << setprecision(3) << x << " " << y << endl;
    }

    return 0;
}

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

int main()
{
	int a, b, c, d, e, f;
	double x, y;
	while (cin >> a >> b >> c >> d >> e >> f)
	{
		b *= d; c *= d;
		e *= a; f *= a;
		b -= e; c -= f;
		y = c*1.0 / b;
		x = (f - e*y)*1.0 / (d*a);
		if (x < 0.0001 && x > -0.0001) x = 0.000;
		if (y < 0.0001 && y > -0.0001) y = 0.000;
		cout << fixed << setprecision(3) << x << " " << fixed << setprecision(3) << y << endl;
	}
	
	return 0;
}

C++: #include<iostream>
#include<cstdio>
using namespace std;
#define rep(i,n) for(int i=0;i<n;i++)

int main()
{
    while(1)
    {
    double a,b,c,d,e,f;
    cin >> a;
    if(cin.eof())break;
    cin >> b;
    cin >> c;
    cin >> d;
    cin >> e;
    cin >> f;
    double det = a*e-b*d;
    double ans1 = (c*e-b*f)/det;
    if(ans1==-0.0)ans1 = -ans1;
    double ans2 = (-c*d+a*f)/det;
    if(ans2==-0.0)ans2 = -ans2;
    printf("%1.3f %1.3f\n",ans1,ans2);
    }
    return 0;
}

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


int main() {
  float a, b, c, d, e, f;
  float x, y;
  
  while(cin >> a >> b >> c >> d >> e >> f) {
    x=(b*f-c*e)/(b*d-a*e);
    x = round(x * 1000) / 1000.0;
    cout<<x;
    cout<<" ";
    
    y=(c*d-a*f)/(b*d-a*e);
    y = round(y * 1000) / 1000.0;
    cout<<y;
    cout<<endl;
  }
  
  return 0;
}

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

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

C++: #include <iostream>
//#include <iomanip>
//#include <vector>
//#include <string>
#include <algorithm>
#include <functional>

using namespace std;

int main(){

	int a, b, c, d, e, f;
	double x, y, A;

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



	return 0;
}