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 <stdio.h>
#include <string.h>
#include <ctype.h>
#include <stdlib.h>
#include <math.h>
#include <time.h>
#include <limits.h>
#include <iostream>
#include <algorithm>
#include <string>
#include <iterator>
#include <vector>
#include <map>
#include <utility>
#define LLU unsigned long long int
#define LL long long int
#define LD long double
using namespace std;
#define LLUmax ULLONG_MAX
#define LLmax LLONG_MAX
#define dmax INT_MAX
#define vd vector<int>
#define vLL vector<long long int>
#define vLLU vector<unsigned long long int> 
#define pb push_back
#define mp make_pair
#define fi first
#define sec second
#define debug printf("asd\n")
#define debugd(a) printf("--%d\n",a)
#define debugdd(a,b) printf("--%d %d\n",a,b)
#define debugarr(a,b) for(int i=0 ; i<b ; i++)printf("%d ",a[i]);printf("\n")
#define newline printf("\n")
#define forin(a,b,c) for(int a=b ; a<c ; a++)
#define forde(a,b,c) for(int a=b ; a<c ; a--)


inline void scd(int &a){scanf("%d",&a);}
inline void scdd(int &a,int &b){scanf("%d %d",&a,&b);}
inline void sctd(int &a,int &b,int &c){scanf("%d %d %d",&a,&b,&c);}
inline void scdlld(long int &a,long int &b){scanf("%I64d %I64d",&a,&b);}
inline void sclld(long long int &a){scanf("%I64d",&a);}

#define scarrd(a,b) for(int index=0 ; index<b ; index++)scanf("%d",&a[index])
#define prdlld(a,b) printf("%I64d %I64d",a,b)
#define prdd(a,b) printf("%d %d",a,b)
#define prd(a) printf("%d",a)
#define prarr(a,b) for(int i=0 ; i<b ; i++)printf("%d ",a[i])
#define iniarr(a,b) for(int i=0 ; i<b ;i++)a[i]=0
#define arr(a,b) int *a=(int *)malloc(b*sizeof(int))
#define llarr(a,b) long long int *a=(long long int *)malloc(b*sizeof(long long int))
#define st(a,b) char *a=(char *)malloc(b*sizeof(char))
#define grav 9.8
#define pi 3.14159265

int main()
{
	float a,b,c,d,e,f;
	while(scanf("%f %f %f %f %f %f",&a,&b,&c,&d,&e,&f)!=EOF)
	{
		float x,y;
		y=((f*a)-(d*c))/((a*e)-(d*b));
		x=(c-(b*y))/a;
		printf("%.3f %.3f\n",x,y);
	}
	return 0;
}

C++: #include <bits/stdc++.h>

using namespace std;
typedef long long ll;
typedef vector<int> VI;
typedef vector<VI> VVI;
typedef vector<ll> VL;
typedef vector<VL> VVL;
typedef pair<int, int> PII;

#define FOR(i, a, n) for (ll i = (ll)a; i < (ll)n; ++i)
#define REP(i, n) FOR(i, 0, n)
#define ALL(x) x.begin(), x.end()
#define MOD 1000000007
#define INF (1LL<<25)     //33554432
#define PI 3.14159265359
#define EPS 1e-12
//#define int ll

signed main(void)
{
  double a, b, c, d, e, f;
  while(cin>>a>>b>>c>>d>>e>>f) {
    cout << fixed << setprecision(3) << (c*e-b*f)/(a*e-b*d) << " " << (c*d-a*f)/(b*d-a*e) << endl;
  }

  return 0;
}

C++: #include<iostream>
#include<algorithm>
#include<cstdio>
#include<cmath>
#define min 0.000000001
using namespace std;

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) != EOF){
    x = (c*e - b*f)/(a*e - b*d);
    y = (a*f - c*d)/(a*e - b*d);
    if(abs(x) < min) x = 0;
    if(abs(y) < min) y = 0;
    printf("%.3lf %.3lf\n",x,y);
  }
return 0;
}

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

int main(void) {
  float a, b, c, d, e, f;
  while (scanf("%f %f %f %f %f %f", &a, &b, &c, &d, &e, &f)+1)  {
    float x = (c*e-b*f)/(a*e-b*d);
    float y = (c*d-a*f)/(b*d-a*e);
    if (abs(x) <= 1.0e-4) x = 0.0;
    if (abs(y) <= 1.0e-4) y = 0.0;
    printf("%.3f %.3f\n", x, y);
  }
  return 0;
}

C++: #include<cstdio>

using namespace std;

int main(){
	int a,b,c,d,e,f;
		scanf("%d%d%d%d%d%d",&a,&b,&c,&d,&e,&f);
		double x,y,A;
		A = (a*e)-(b*d);
		b *= -1;
		d *= -1;
		
		x = (e*c+b*f)/A;
		y = (d*c+a*f)/A;
	
	printf("%.3lf %.3lf\n",x,y);
	
	return 0;
}

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

int main(void){
	int a,b,c,d,e,f;
	double x,y;
	while(cin >> a >> b >> c >> d >> e >> f){
		y = (f - c - e)/(a + b);
		x = (c - b * y)/a;
		cout << 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){
    x = (double)(c*e - f*b) / (a*e - d*b);
    y = (double)(c*d - f*a) / (b*d - e*a);

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

  return 0;
}

C++: #include <bits/stdc++.h>
// #include "bits/stdc++.h"

#define pout(n)  printf ("%d\n", n)

#define rep(i,a,n) for (int i = a;i < n;i++)
#define per(i,n,a) for (int i = n-1;i >= a;i--)

const int d4x[4] = {1, 0, -1, 0};
const int d4y[4] = {0, 1, 0, -1};
const int d8x[8] = { 1,1,0,-1,-1,-1,0,1 };
const int d8y[8] = { 0,1,1,1,0,-1,-1,-1 };
 
typedef long long ll;
using namespace std;
 
int main() {
  double a,b,c,d,e,f,x,y;

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

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

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

using namespace std;

int main(void){
	double arr[6];
	vector<double> x,y;

	while (cin >> arr[0] >> arr[1] >> arr[2] >> arr[3] >> arr[4] >> arr[5]){
		double a = arr[0]; double b = arr[1]; double c = arr[2]; double d = arr[3]; double e = arr[4]; double f = arr[5];
		x.push_back((c*e-b*f)/(a*e-b*d));
		y.push_back((c*d-a*f)/(b*d-a*e));
	}
	for (unsigned int i=0; i<x.size(); ++i){
		printf("%.3lf %.3lf\n", x[i], y[i]);
	}
	return 0;
}

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

double sisya(double x)
{
	double a = x;
	if(x < 0)
		a = -x;
			a = a*1000;
	a = a - static_cast<double>(static_cast<int>(a));
	a = a+0.5;
	if(a >= 1.0){
		return x + 0.001;
	}
	return x;
}

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

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

int main()
{
  int 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);

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

  return 0;
}

C++: 
#include <stdio.h>

int main(){
    double a,b,c,d,e,f;
    double x,y;
    
    while (scanf("%lf %lf %lf %lf %lf %lf",&a,&b,&c,&d,&e,&f) != EOF) {
        x=(double)((c*e-b*f)/(a*e-b*d));
        y=(double)((c*d-a*f)/(b*d-a*e));
        if(-0.0005<x && x<=0)
            x=0;
        if(-0.0005<y && y<=0)
            y=0;
        printf("%.3f %.3f\n",x,y);
    }
    
    return 0;
}

C++: #include<bits/stdc++.h>
#include<vector>
#include<list>
#include<stack>
#include<queue>
#include<algorithm>
using namespace std;



int main(){
    double a,b,c,d,e,f;
    vector<double> tmp(2);
    while(scanf("%lf %lf %lf %lf %lf %lf",&a,&b,&c,&d,&e,&f)!=EOF){
        double x=(c*e-f*b)/(a*e-d*b);
        double y=(c-a*x)/b;
        if(abs(x)<1e-10){
            x=0;
        }
        if(abs(y)<1e-10){
            y=0;
        }
        printf("%.3f %.3f\n",x,y);
    }
    return 0;
}