Go: package main

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

var sc = bufio.NewScanner(os.Stdin)

func read() string {
	sc.Scan()
	return sc.Text()
}

func main() {
	sc.Split(bufio.ScanLines)
	for sc.Scan() {
		s := strings.Split(sc.Text(), " ")
		a, _ := strconv.ParseFloat(s[0], 64)
		b, _ := strconv.ParseFloat(s[1], 64)
		c, _ := strconv.ParseFloat(s[2], 64)
		d, _ := strconv.ParseFloat(s[3], 64)
		e, _ := strconv.ParseFloat(s[4], 64)
		f, _ := strconv.ParseFloat(s[5], 64)
		x := ((b * f) - (c * e)) / ((b * d) - (a * e))
		y := ((a * f) - (c * d)) / ((a * e) - (b * d))
		if x == 0 {
			fmt.Printf("0.000 %.3f\n", y)
		} else if y == 0 {
			fmt.Printf("%.3f 0.000\n", x)
		} else {
			fmt.Printf("%.3f %.3f\n", x, y)
		}
	}
}

C++: //
//  main.cpp
//  0004
//
//  Created by 竹内 文登 on 13/07/14.
//  Copyright (c) 2013年 竹内 文登. All rights reserved.
//

#include <iostream>
#include <cstdio>
using namespace std;

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

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

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

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

#define N 1024


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 = x == -0.0 ? 0.0 : x;
		y = y == -0.0 ? 0.0 : y;

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


}

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

int main(){
	vector<double*> data;
	while(!cin.eof()){
		int a,b,c,d,e,f;
		cin >> a >> b >> c >> d >> e >> f;
		double x[2];
		x[0] = (double)(c*e - f*b)/(a*e - d*b);
		x[1] = (double)(a*f - d*c)/(a*e - d*b);
		if(x[0] == 0)x[0] = 0.;
		if(x[1] == 0)x[1] = 0.;
		data.push_back(x);
	}
	vector<double*>::iterator it = data.begin();
	for(;it != data.end();++it)
		printf("%.3f %.3f",(*it)[0],(*it)[1]);
	return 0;
}

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

void OutputSolution(int a, int b, int c, int d, int e, int f)
{
    double x, y;
	if(a == 0){
		y = c / b;
		x = (f-e*y) / d;
	}else{
		int A = a;
		a *= d;
		b *= d;
		c *= d;
		d *= A;
		e *= A;
		f *= A;
		y = (c-f) / (b-e);
		x = (c-b*y) / a;
	}
	if(x == -0) x = 0;
	if(y == -0) y = 0;
	cout << fixed << setprecision(3) << x << ' ' << y << endl;
}

int main()
{
	while(true){
		int a, b, c, d, e, f;
		cin >> a >> b >> c >> d >> e >> f;
		if(cin.eof()) break;
		OutputSolution(a, b, c, d, e, f);
	}
	return 0;
}

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

int main() {
	int number[6];
	double x, y;
	while (cin >> number[0]) {
		for (int i = 1; i < 6; i++) {
			cin >> number[i];
		}
		y = (number[2] * number[3] - number[0] * number[5])
			/ (number[1] * number[3] - number[0] * number[4]);
		x = (number[2] - number[1] * y) / number[0];
		cout << fixed << setprecision(3) << x << flush;
		cout << " " << flush;
		cout << fixed << setprecision(3) << y << endl;
	}
	return 0;
}

C++: #include <stdio.h>
#include <math.h>
 
int main(void) {
double a, b, c, d, e, f, x, y;
while (scanf("%lf %lf %lf %lf %lf %lf", &a, &b, &c, &d, &e, &f) > 0) {
x = (c * e - b * f) / (a * e - b * d);
y = (a * f - c * d) / (a * e - b * d);
if (x == -0.0) x = 0.0;
if (y == -0.0) y = 0.0;
printf("%01.3lf %01.3lf\n", x, y);
}
 
 
 
return 0;
}

C++: #include <stdio.h>

int main(){
	int i,j;
	int a,b,c,d,e,f;
	int tmp;
	float x,y;
		
	while(scanf("%d %d %d %d %d %d\n",&a,&b,&c,&d,&e,&f)!=EOF){
		tmp = d;
		d*=a; e*=a; f*=a;
		a*=tmp; b*=tmp; c*=tmp;
		y=(float)((c-f)/(b-e));
		x=(float)((c-b*y)/a);
		if(x<0&&x>-0.0004){
			x = 0.000000;
		}
		if(y<0&&y>-0.0004){
			y = 0.000000;
		}
		printf("%0.3f %0.3f\n",x,y);
	}
	
	
	return 0;
}

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

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

int main() {
    cin.tie(0);
    ios::sync_with_stdio(false);
    // ????????§ ax+by=c, dx+ey=f ????§£?????????????????¨???????????¨???????¨????????????????(1)
    vector<vector<double>> answers;
    double a, b, c, d, e, f;
    int dump;
    while(cin >> a >> b >> c >> d >> e >> f) {
        double det = (double)(a*e-b*d);
        double ansx = (e*c+(-b)*f)/det;
        double ansy = ((-d)*c+a*f)/det;
        if(ansx == 0) ansx = 0.0;
        if(ansy == 0) ansy = 0.0;
        answers.push_back({ansx,ansy});
    }
    for(auto elm : answers) {
        cout << fixed << setprecision(3) << elm[0] << " " << elm[1] << endl;
    }

    return 0;
}

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

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

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

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

int main(){
	double a,b,c,d,e,f;
	double x,y;
	while(cin >> a >> b >> c >> d >> e >> f){
		y=(d*c-a*f)/(b*d-a*e);
		x=(c-b*y)/a;
		x*=1000;
		x+=0.5;
		x=floor(x);
		x/=1000;
		y*=1000;
		y+=0.5;
		y=floor(y);
		y/=1000;
		cout << fixed << setprecision(3) << x << " " << y << endl;
	}
	return 0; 
}

C++: #include <iostream>
using namespace std;
int main(void){
    double A[2][3];
    while(cin >> A[0][0] >> A[0][1] >> A[0][2] >> A[1][0] >> A[1][1] >> A[1][2]){
        for(int i = 1; i < 3; i++){
            A[0][i] /= A[0][0];
        }
        A[0][0] /= A[0][0];
        for(int i = 1; i < 3; i++){
            A[1][i] -= A[0][i] * A[1][0];
        }
        A[1][0] -= A[0][0] * A[1][0];
        for(int i = 0; i < 3; i++){
            if(i != 1)
                A[1][i] /= A[1][1];
        }
        A[1][1] /= A[1][1];
        for(int i = 0; i < 3; i++){
            if(i != 1)
                A[0][i] -= A[1][i] * A[0][1];
        }
        A[0][1] -= A[1][1] * A[0][1];
        
        cout << A[0][2] << " " << A[1][2] << endl;
    }
}

C++: #include <iostream>

using namespace std;

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

	while(cin >> a >> b >> c >> d >> e >> f)
		printf("%.3lf %.3lf\n",(e*c-b*f)/(a*e-b*d)+0,(-d*c+a*f)/(a*e-b*d)+0);

	return 0;
}

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

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