Go: package main

import (
        "fmt"
        "bufio"
        "os"
)

func main() {
        var a, b, c, d, e, f float64
        sc := bufio.NewScanner(os.Stdin)
        for sc.Scan() {
                fmt.Sscanf(sc.Text(), "%f %f %f %f %f %f", &a, &b, &c, &d, &e, &f)

                det := a*e - b*d
                x := (e*c - b*f) / det
                y := (a*f - c*d) / det
                fmt.Printf("%.3f %.3f\n", x, y)
        }
}

C++: #include<stdio.h>

void printFunc(int a,int b,int c,int d,int e,int f);

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

  scanf("%d %d %d %d %d %d",&a,&b,&c,&d,&e,&f);
  printFunc(a,b,c,d,e,f);
  scanf("%d %d %d %d %d %d",&a,&b,&c,&d,&e,&f);
  printFunc(a,b,c,d,e,f);

  return 0;
}

void printFunc(int a,int b,int c,int d,int e,int f){
  float ansX,ansY;
  if(b == 0 || e == 0){
    ansY = 0;
  }
  else{
    ansY = (float)(c*d - f*a)/(float)(b*d - e*a);
  }

  if(a == 0 || d == 0){
    ansX = 0;
  }
  else{
    ansX = (float)(c*e - f*b)/(float)(a*e - d*b);
  }

  if(ansX < 0.0005f){
    ansX = 0.0f;
  }
  if(ansY < 0.0005f){
    ansY = 0.0f;
  }

  printf("%.3f %.3f\n",ansX,ansY);
}

C++: #include <iostream>
using namespace std;
int main()
{
	double a,b,c,d,e,f;
	while(cin>>a>>b>>c>>d>>e>>f)
	{
		double x = (c*e-f*b)/(a*e-b*d);
		double y = (c*d-f*a)/(b*d-a*e);
		printf( "%.3f %.3f\n",x,y);
	}
	return 0;
}

C++: #include <cstdio>

using namespace std;

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

    while(scanf("%lf%lf%lf%lf%lf%lf",&a,&b,&c,&d,&e,&f)!=EOF){
        if(a==0||e==0){
            printf("0.000 0.000\n");
            return 0;
        } 
        double x=(c-b*f/e)/(a-b*d/e);
        double y=(f-c*d/a)/(e-b*d/a);
        printf("%.3lf %.3lf\n",x,y);
    }

    return 0;
}

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

int main() {
	double a, b, c, d, e, f;
	while (cin >> a >> b >> c >> d >> e >> f) {
		printf("%.3lf %.3lf\n", (double)(c*e - b*f) / (a*e - b*d), (double) (a*f - c*d) / (a*e - b*d));
	}
	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 y = ( a * f - c * d) / ( a * e - b * d);
    double x = ( c - b * y ) / a;
	  cout<<fixed<<setprecision(3)<<x << " " << y << endl;
	}

    return 0;
}

C++: #include <iostream>

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

    while (std::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 <iostream>
#include <vector>
#include <cstdio>
#include <cmath>

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){
		x[i] = round(x[i] * 1000) / 1000;
		y[i] = round(y[i] * 1000) / 1000;
		printf("%.3lf %.3lf\n", x[i], y[i]);
	}
	return 0;
}

C++: #include <iostream>
#include <iomanip>
#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 = (c*e - b*f) / (a*e - b*d);
		double y = (c*d - a*f) / (b*d - a*e);
		printf("%.3f %.3f", x, y);
	}
	
	return 0;
}

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

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

C++: #include <iostream>
using namespace std;
int main() {
  double a, b, c, d, e, f, x, y;
  while (cin >> a >> b >> c >> d >> e >> f) {
    x = (e * c - b * f) / (a * e - b * d);
    y = (a * f - d * c) / (a * e - b * d);
    printf("%.3f %.3f\n", x, y);
  }
  return 0;
}

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

int main()
{
	double a, b, c, d, e, f;
	while( std::cin >> a >> b >> c >> d >> e >> f ){
		double det = b * d - a * e;
		printf( "%.3f %.3f\n", ( b * f - c * e ) / det, ( c * d - a * f ) / det );
	}

 	return 0;
}

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

using namespace std;

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

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

		if (x == 0) {
			x = 0;
		}

		if (y == 0) {
			y = 0;
		}

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

C++: #include <iostream>
#include <cstdio>
#include <cstdlib>
#include <cstring>
#include <climits>
#include <cmath>
#include <complex>
#include <map>
#include <set>
#include <vector>
#include <stack>
#include <queue>
#include <bitset>
#include <algorithm>
#include <numeric>
#include <functional>
#include <cassert>
#include <iomanip>
using namespace std;

#define Rep(b, e, i) for(int i = b; i <= e; i++)
#define Repr(e, b, i) for(int i = e; i >= b; i--)
#define rep(n, i) Rep(0, n-1, i)
#define repr(n, i) Repr(n-1, 0, i)
#define all(v) (v).begin(), (v).end()
#define pb(v) push_back(v)
#define uniq(v) (v).erase(unique(all(v)),(v).end())
#define bitcnt(x) __builtin_popcount(x)
#define fst first
#define snd second
#define Pqaz(T) priority_queue<T,vector<T>,greater<T>>
#define Pqza(T) priority_queue<T>
#define put(x) cout << x;
#define putsp(x) cout << x << ' ';
#define putbd cout << "---------------------------------------------" << endl;
#define putln(x) cout << x << endl;
#define debug(x) cerr << #x << "=" << x << endl;
#define ENJYU std::ios::sync_with_stdio(false);std::cin.tie(0);
#define yuiyui 0

typedef long long ll;
typedef unsigned long long ul;
typedef pair<int, int> intP;
typedef pair<ll, ll> llP;
typedef pair<ul, ul> ulP;
typedef complex<double> comp;
typedef vector <int> vec;
typedef vector <ll> vecll;
typedef vector <ul> vecul;
typedef vector <double> vecd;
typedef vector <vec> mat;
typedef vector <vecll> matll;
typedef vector <vecul> matul;
typedef vector <vecd> matd;

//vector の中身を出力
template <class T>ostream &operator<<(ostream &o,const vector<T>&v)
{o<<"{";for(int i=0;i<(int)v.size();i++)o<<(i>0?", ":"")<<v[i];o<<"}";return o;}

const int MAX = 200020;
const double PI = 3.14159265358979323846;
const double EPS = 1e-12;
const int INF = 1<<29;
const ll INFL = 1e18;
const ll MOD = 1e9+7;

const int dx[]={1,0,-1,0},dy[]={0,1,0,-1};
//const int dx[]={-1,-1,-1,0,1,1,1,0},dy[]={-1,0,1,1,1,0,-1,-1};

//********************************template END****************************************//

void solve(void){

	long double a,b,c,d,e,f;

	while(~scanf("%Lf%Lf%Lf%Lf%Lf%Lf\n", &a,&b,&c,&d,&e,&f))
	{
		long double x = (c*e-b*f)/(a*e-b*d);
		long double y = (c*d-a*f)/(b*d-a*e);

		x = round(x);
		y = round(y);

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

	}

}

int main(void)
{
	solve();
	//cout << "yui(*-v・)yui" << endl;
	return yuiyui;
}

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

double a,b,c,d,e,f;

int main(void){
	cout<<fixed
		<<setprecision(4);
	while(cin>>a>>b>>c>>d>>e>>f){
		double x,y;
		f*=a/d;
		e*=a/d;
		f-=c;
		e-=b;
		f=f/e;
		c-=f*b;
		c=c/a;
		x=c;
		y=f;
		cout<<x<<" "<<y<<endl;
	}
		//cin>>a;
}

C++: #include<iostream>
#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 ){
		double det = b * d - a * e;
		printf( "%.3f %.3f\n", ( b * f - c * e ) / det, ( c * d - a * f ) / det );
	}

 	return 0;
}