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 := cF / bE
		x := (c - (y * b)) / a

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

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

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

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

	cin >> a >> b >> c >> d >> e >> f)

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

	cout << showpoint << setprecision(3);
	cout << setiosflags( ios::fixed );
	cout << ( x == -0.0 ? 0.0 : x ) << " " << ( y == -0.0 ? 0.0 : y ) << endl;
}

C++: #include <math.h>
#include <algorithm>
#include <iostream>
#include <iomanip>
using namespace std;

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

C++: #include<stdio.h>

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

int main(){
  int a = 0,b = 0,c = 0,d = 0,e = 0,f = 0;

  while(fscanf(stdin,"%d %d %d %d %d %d",&a,&b,&c,&d,&e,&f) != EOF){
    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){
    ansX = 0.0f;
  }
  if(ansY < 0.0005f && ansY > 0.0f){
    ansY = 0.0f;
  }

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

C++: #include <iostream>
#include <cstdio>
#include <cmath>
using namespace std; 
int main()
{
double a,b,c,d,e,f;
while(cin>>a>>b>>c>>d>>e>>f)
{
printf("%.3f %.3f\n", (1.0 * b*f - c*e)/(b*d - a*e), (1.0 * a*f - c*d)/(a*e - b*d));
}
return 0;
}

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

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

  while(std::cin >>a>>b>>c>>d>>e>>f){

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

  }
}

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

using namespace std;

int w[2][2];
int w0[2];

void solve(){
    float a0 = w[0][0] * w[1][1] - w[0][1] * w[1][0];
    int a1 = w0[0] * w[1][1] - w[0][1] * w0[1];
    int a2 = w[0][0] * w0[1] - w0[0] *w[1][0];
    float x = a1 / a0, y = a2 / a0;
    if(abs(x) <= 0.0005){
        x = 0;
    }
    if(abs(y) <= 0.0005){
        y = 0;
    }
    printf("%.3f %.3f", x, y);
}

int main(){
    while(cin >> w[0][0] >> w[0][1] >> w0[0] >> w[1][0] >> w[1][1] >> w0[1]){
        solve();
    }
    return 0;
}

C++: #include<iostream>
#include<algorithm>
#include<cmath>
#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){
        
        x = (c * e - b * f) / (a * e - b * d);
        y = (a * f - c * d) / (a * e - b * d);

        cout << setiosflags(ios::fixed) << setprecision(3);
        cout << x << ' ' << y  << endl;
     }
         
	return 0;
}

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

using namespace std;

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

C++: #include <iostream>
#include<string>
#include<cmath>
#include<algorithm>
#include<cctype>
#include<queue>
#include<stack>
#include<stdio.h>
#include<vector>
#include<set>
#include<map>
#include<iomanip>
#define rep(i,n) for(int i=0;i<n;i++)
typedef int long long ll;

using namespace std;
int main(){

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

C++: #include<iostream>

using namespace std;
   
void Simultaneous()
{
    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 = ( a * f - c * d ) / ( a * e - b * d );
        
        cout.setf(ios::fixed); //"setf" is used for “half-adjusting”
        cout.precision(3); //precision is used for rould off three places of decimals
        cout<<x<<" "<<y<<endl;
    }
            
    return;
}
     
int main()
{     
    Simultaneous();
    return 0;
}

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

char str[20];
int i,len;
int main(){
	gets(str);
	len = strlen(str);
	for(i=len-1;i>=0;i--){
		printf("%c",str[i]);
	}
}

C++: 
 
#include <iostream>
 
using namespace std;
 
int main(int argc, char **argv)
{
    double a, b, c, d, e, f, tmp, s, t;
     
    while((cin >> a >> b >> c >> d >> e >> f)){
        tmp = (a*e-b*d);
        s = ((e*c-b*f)/tmp);
        t = ((a*f-d*c)/tmp);
         
        if(s == -0.0){
            s = 0.0;
        }
        if(t == -0.0){
            t = 0.0;
        }
        printf("%.3f %.3f\n", s, t);
    }
     
    return 0;
}

C++: // ------------------------------------
// Date:2018/ 2/13
// Problem:0004 : SimulataneousEquation 4.cpp
//
// ------------------------------------
 
#include <bits/stdc++.h>
 
using namespace std;
 
#define FOR(i,a,b) for(int i=(int)a;i<(int)b;++i)
#define REP(i,n) FOR(i,0,n)
 
int main()
{
  double a,b,c,d,e,f;
  while(scanf("%lf %lf %lf %lf %lf %lf",&a,&b,&c,&d,&e,&f) != EOF) {
    printf("%.3lf %.3lf\n",((c*e-b*f)/(a*e-b*d))==0?0.000:(c*e-b*f)/(a*e-b*d), ((c*d-a*f)/(b*d-a*e))==0?0.000:(c*d-a*f)/(b*d-a*e));
  }
  return 0;
}

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

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

    while (!cin.eof()){
        cin>>a>>b>>c>>d>>e>>f;
        double D=a*e-b*d;
        double X=(c*e-f*b)/D,Y=(a*f-d*c)/D;
        if (abs(X)<0.0005) X=0;
        if (abs(Y)<0.0005) Y=0;
        cout << setprecision(3)<<fixed;
        cout<<setprecision(3)<<X<<" "<<Y<<endl;

    }
    return 0;
}

C++: #include<iostream>

using namespace std;

int main()
{
	int a[6];
	double detA;
	double ansx, ansy;
	
	for(int i = 0; i < 6; i++){
		cin >> a[i];
	}
	
	detA = ((a[0]*a[4])-(a[1]*a[3]));
	
	ansx = ((a[2]*a[4])-(a[1]*a[5]))/detA;
	ansy = ((a[0]*a[5])-(a[2]*a[3]))/detA;
	
	if(ansx == 0){
		ansx = 0;
	}
	if(ansy == 0){
		ansy = 0;
	}
	
	printf("%.4lf %.4lf",ansx,ansy);
}