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

		
			fmt.Printf("%d.000 ", x)
			fmt.Printf("%d.000\n", y)
	}
}

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

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

  cout << x << " " << y << endl;
  cin >> a >> b >> c >> d >> e >> f;   
  y = (f-(d*c)/a)/(e-(d*b)/a);
  x = (c-b*y)/a;

  cout << x << " " << y << endl;
    
    
    
  return 0;

}

C++: #include<iostream>
#include<algorithm>
#include<stdio.h>
using namespace std;
int main(){
	int a,b,c,d,e,f;
	int o,p,q,r,s,t;
	float x,y;
	for(scanf("%d%d%d%d%d%d",&a,&b,&c,&d,&e,&f)!=EOF){
		o=a;p=b;q=c;r=d;s=e;t=f;
		o*=d;p*=d;q*=d;
		r*=a;s*=a;t*=a;
		//printf("%d %d %d %d %d %d \n",o,p,q,r,s,t);
		p-=s;
		q-=t;
		y=(float)(q/p);
		int g=(int)(e*y);
		g*=-1;
		x=(float)((f+g)/d);
		printf("%.3f %.3f",x,y);
	}
}

C++: #include "iostream"
#include "cstdio"
using namespace std;

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

    while(cin >> a >> b >> c >> d >> e >> f) {
        double num1 = a,num2 = d, x, y;
        a *= num2; b *= num2; c *= num2;
        d *= num1; e *= num1; f *= num1;

        num1 = b - e; num2 = c - f;
        y = num2 / num1; x = (c - b*y) / a;

        x *= 10000; y *= 10000;
        num = (int)x; x = (double)num;
        num = (int)y; y = (double)num;
        num1 = (int)x % 10; num2 = (int)y % 10;

        x /= 10000; y /= 10000;

        if (num1 > 4) {
            x += 0.001;
        }
        if (num2 > 4) {
            y += 0.001;
        }

        printf("%0.3f %0.3f\n", x, y);

    }
    
    return 0;
}

C++: //08
#include<iostream>
#include<iomanip>
#include<cmath>

using namespace std;

int main(){
  for(double a,b,c,d,e,f;cin>>a>>b>>c>>d>>e>>f;){
    double x=(c*e-f*b)/(a*e-d*b);
    double y=(f-d*x)/e;
    if(fabs(x)<1e-4){
      x=0;
    }
    if(fabs(y)<1e-4){
      y=0;
    }
    cout<<fixed<<setprecision(3)<<x<<' '<<y<<endl;
  }
  return 0;
}

C++: #include <iostream>
#include <iomanip>
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-f*a)/(b*d-e*a);
        x=(c*e-f*b)/(a*e-d*b);
        cout<<fixed<<setprecision(3)<<x+0.0005<<" "<<y+0.0005<<endl;
    }
}

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

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

int main() {
	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 = (f-d*x)/e;
		if(x == -0) x == 0;
		if(y == -0) y == 0;
		printf("%.3f %.3f\n", x, y);
	}
	return 0;
}

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

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

	return 0;
}

C++: #include "iostream"
#include "iomanip"
using namespace std;

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

C++: #include<bits/stdc++.h>
using namespace std;
int main()
{
    double a,b,c,d,e,f;
    while(cin>>a>>b>>c>>d>>e>>f)
    {
            double x=(c*e-b*f)/(a*e-d*b);
    double y=(a*f-c*d)/(a*e-d*b);
    cout << fixed;
    cout << setprecision(3);
    cout << x <<" "<< y << endl;
    }

}

C++: #include<iostream>
#include<iomanip>
#include <math.h>
double    round4(double src, int n){
	double dst;
	dst = src * pow(10, -n - 1);
	dst = (double)(int)(dst + 0.5);
	return    dst * pow(10, n + 1);
}

int main(){

	double a, b, c, d, e, f;
	double x, y;
	while (std::cin >> a >> b >> c >> d >> e >> f){
		if (a*d<0){
			d = -d;
			e = -e;
			f = -f;
		}

		x = (c - b*(c - f*a / d) / (b - e*a / d)) / a;
		y = (c - f*a / d) / (b - e*a / d);
		if (x == 0)x = 0;
		if (y == 0)y = 0;
		round4(x, 4);
		round4(y, 4);
		std::cout<<std::fixed<<std::setprecision(4)  << x << " " << y << std::endl;
	}
	return 0;
	
}

C++: #include<iostream>
#include<string>
#include<algorithm>
#include<map>
#include<set>
#include<utility>
#include<vector>
#include<cmath>
#include<cstdio>
#define loop(i,a,b) for(int i=a;i<b;i++) 
#define rep(i,a) loop(i,0,a)
#define pb push_back
#define mp make_pair
#define it ::iterator
#define all(in) in.begin(),in.end()
const double PI=acos(-1);
const double ESP=1e-10;
using namespace std;
int main(){
  double a,b,c,d,e,f;
  while(cin>>a){
    cin>>b>>c>>d>>e>>f;
    double x=(c*e-b*f)/(a*e-b*d);
    double y=(f-d*x)/e;
    if(x==0)x=0;
    if(y==0)y=0;
    printf("%.10f %.10f\n",x,y);
  }
}

    
    /*
      ey=f-dx
      y=(f-dx)/e
      ax+b(f-dx)/e=c
      aex+df-bdx=ce
      (ae-bd)x=ce-df
      x=(ce-df)/(ae-bd)

  y=(f-dx)/e
  y=(f



a b  x  c
d e  y  f

x  c  e -b
y  f  -d a  /(ae-bd)*/

C++: #include <stdio.h>

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 det = a*e - b*d;
        printf("%.3f %.3f\n", (c*e-b*f)/det, (-c*d+a*f)/det);
    }
    return 0;
}

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

using namespace std;

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

C++: #include <iostream>
#include <cstdio>
using namespace std;
int main(){
	double a,b,c,d,e,f,x,y;
	while(cin>>a>>b>>c>>d>>e>>f){
		y = (d*c - a*f)/(d*b - a*e);
		x = (c-b*y)/a;
	printf("%0.3f %0.3f\n",x+0.00000001,y+0.00000001);
	}
}

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

int main()
{
	int a,b,c,d,e,f;
	double def;
	double x,y;
	while(scanf("%d %d %d %d %d %d",&a, &b, &c, &d, &e, &f) != EOF){
		if((a * e - b * d) != 0){
			def = 1 / (double)(a * e - b * d);
		}else{
			printf("NA\n");
			continue;
		}
		x = def * (double)(e * c - b * f);
		y = def * (double)(a * f - d * c);
		if(abs(x) < 0.0005){
			x = 0.000;
		}
		if(abs(y) < 0.0005){
			y = 0.000;
		}
		printf("%.3lf %.3lf\n",x,y);
	}
	return 0;
}