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 <string>
#include <vector>
#include <sstream>

using namespace std;
using DataSet = vector<double>;

void readInputData(vector<string> input_data){
    string buff;
    while(getline(cin, buff)){
        input_data.push_back(buff);
    }
}

void _parseString(const string& input_data, DataSet& data_set) {
    data_set.resize(6);

    stringstream ss;
    ss << input_data;
    ss >> data_set[0] >> data_set[1] >> data_set[2]
        >> data_set[3] >> data_set[4] >> data_set[5];
}

void parseString(const vector<string>& input_data, vector<DataSet>& data_set) {
    for(int i = 0; i < input_data.size(); ++i) {
        DataSet buff;
        _parseString(input_data[i], buff);
        data_set[i] = buff;
    }
}

double determinant2d(const DataSet& data){
    return data[0] * data[4] - data[1] * data[3];
}

void inverse2d(DataSet& data){
    double det = determinant2d(data);

    double t = data[0];
    data[0] = data[4];
    data[4] = t;

    data[1] = -data[1];
    data[3] = -data[3];

    data[0] /= det;
    data[1] /= det;
    data[3] /= det;
    data[4] /= det;
}


void calculateXY(const DataSet& data, vector<double>& result){
    result.resize(2);
    result[0] = data[0] * data[2] + data[1] * data[5];
    result[1] = data[3] * data[2] + data[4] * data[5];
}

void solve(vector<DataSet>& data_set){
    for(int i = 0; i < data_set.size(); ++i){
        vector<double> buff;

        inverse2d(data_set[i]);

        calculateXY(data_set[i], buff);

        cout << buff[0] << " " << buff[1] << endl;
    }
}


void doAllProcess(){
    vector<string> input_data;
    readInputData(input_data);

    vector<DataSet> data_set;
    parseString(input_data, data_set);
    
    solve(data_set);
}

int main(){
    doAllProcess();

    return 0;
}

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

using namespace std;

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

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

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

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

double ans(double a,double b,double c,double d,double e,double f){
    double y1=b*d;
    double a1=c*d;
    double y2=e*a;
    double a2=f*a;
    double y=y1-y2;
    double a3=a1-a2;
    return a3/y;
}

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

    cout<<fixed<<setprecision(3)<<ans(b,a,c,e,d,f)<<' '<<setprecision(4)<<ans(a,b,c,d,e,f)<<endl;
}

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

int main() {
	double x,y,a,b,c,d,e,f;
	while(6 == scanf("%lf %lf %lf %lf %lf %lf",&a,&b,&c,&d,&e,&f)){
		x = (-b*f+e*c)/(a*e-b*d);
		y = (f-d*x)/e;
		printf("%.3f %.3f\n",x,y);
	}
	return 0;
}

C++: #include <cstdio>
using namespace std;
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){
    y = (f - (d * c) / a) / ((d * -1 * b) / a + e);
    x = (c - b * y) / a;
    printf("%.3f %.3f\n",x,y);
  }
  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){
		/*
		a = 2;
		b = -1;
		c = -3;
		d = 1;
		e = -1;
		f = -3;
		*/
		double x, y;
		x = (c * e - b * f) / (a * e - b * d);
		y = (c * d - a * f) / (b * d - a * e);
		if (x == -0.000) x = 0.000;
		if (y == -0.000) y = 0.000;
		cout << fixed << setprecision(3) << x << " " << y << endl;
	}
	return 0;
}

C++: #include <stdio.h>

int main(){
	double a,b,c,d,e,f;
	double x,y;
	while(scanf("%f %f %f %f %f %f",&a,&b,&c,&d,&e,&f)!=EOF){
	x=(c*e-f*b)/(a*e-d*b);
	y=(a*f-d*c)/(a*e-b*d);
	x=x*1000;
	if(x>0) x=(double)(int)(x+0.5);
	else  x=(double)(int)(x-0.5);
	x=x/1000;
	y= y*1000;
	if(y>0) y=(double)(int)(y+0.5);
	else y=(double)(int)(y-0.5);
	y=y/1000;
	printf("%.3f %.3f\n",x,y);
	}
	return 0;
}

C++: 
#include<stdio.h>

int main (void){

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

    double X,Y;

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

    Y = (c*d-f*a)/(b*d-e*a);

    X = (c*e-f*b)/(a*e-d*b);

    printf("%.3lf %.3lf\n",X ,Y);


    return 0;
}

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

using namespace std;

int main (int argc, char const* argv[])
{
    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 = (c*d - a*f) / (b*d - a*e);

        x = round(x * 1000)/1000.0;
        y = round(y * 1000)/1000.0;
        
        if(x == 0)x = 0;
        if(y == 0)y = 0;
        
        printf("%.03lf %.03lf\n",x,y);
    }
    
    return 0;
}

C++: #include <stdio.h>
#include <vector>
#include <utility>
#include <algorithm>
#include <iostream>
#include <limits>
#include <iomanip>
using namespace std;
#define rep(i,n) for(int i=0;i<n;++i)
#define ld long double
ld a, b, c, d, e, f, x, y;
ld shish(ld a)
{
	if (a == 0) { return a; }
	
	a *= 1000;
	if (a > 0) {
		a += 0.51;
	}
	else {
		a -= 0.51;
	}
	a = (ld)((int)a);
	a /= 1000;
	return a;
}
int main() {
	while (cin >> a >> b >> c >> d >> e >> f) {
		y = (a*f - c*d) / (ld)(a*e - b*d);
		x = (c*e - f*b) / (ld)(a*e - b*d);

		x = shish(x);
		y = shish(y);
		if (x == 0) { cout << "0.000"; }
		else {
			cout << fixed << setprecision(3) << x;
		}
		cout << " ";
		if (y == 0) { cout << "0.000" << endl; }
		else{
			cout << fixed << setprecision(3) << y << endl;
		}
	}
	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)!=EOF){
        x=(b*f-c*e)/(b*d-a*e);
        y=(c*d-f*a)/(b*d-a*e);
        if(x==-0)x=0;
        if(y==-0)y=0;
        printf("%.3lf %.3lf\n",x,y);
    }
}

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

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

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

	return 0;
}

C++: #include <iostream>
#include <iomanip>
using namespace std;
int main(void){
    double a,b,c,d,e,f;
    double x,y;
    while(cin>>a>>b>>c>>d>>e>>f){
        x=(b*f-c*e)/(b*d-a*e);
        y = (a*f-c*d)/(a*e-b*d);
        if(x == 0) x = 0.000;
        if(y == 0) y = 0.000;
        cout<<fixed<<setprecision(3)<<x<<" "<<y<<endl;
    }
    return 0;
}