Go: package main

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

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
                if x == 0.0 {
                        x = math.Abs(x)
                }
                if y == 0.0 {
                        y = math.Abs(y)
                }
                fmt.Printf("%.3f %.3f\n", x, y)
        }
}

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

int main(){
	
	double a, b, c, d, e, f;
	// input
	while(std::cin >> a >> b >> c >> d >> e >> f){
		
		/*	solve the equation
		*	y = (f - d*x) / e
		*	x = (c*e - b*f) / (a*e - b*d)
		*/
		double x = (c*e - b*f) / (a*e - b*d);
		double y = (f - d*x) / e;
		
		// need this process for submitting
		if(x == -0)	x = 0;
		if(y == -0)	y = 0;
		
		// output
		std::cout << std::fixed << std::setprecision(3) << x << " " << y << std::endl;
	}
	
	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){
    printf("%.3f %.3f\n", (c - ((b * f) / e)) / (a - ((b * d) / e)), (c - ((a * f) / d)) / (b - ((a * e) / d)));
  }

  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, !cin.eof()) {
		x = (c - f*b / e) / (a - d*b / e);
		y = (c - a*x) / b;
			cout << fixed << setprecision(3) << x << " " << y << endl;
	}
}

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){
        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>
using namespace std;

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

	return 0;
}

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

int main(){
  int a, b, c, d, e, f;
  scanf("%d ",&a);
  scanf("%d ",&b);
  scanf("%d ",&c);
  scanf("%d ",&d);
  scanf("%d ",&e);
  scanf("%d ",&f);
  
  double x, y;
  x = (double)(c*e-b*f) / (double)(a*e-b*d);
  y = (double)(a*f-c*d) / (double)(a*e-b*d);
  x = (double)round(x*10000.0) / 10000.0;
  y = (double)round(y*10000.0) / 10000.0;
  printf("%.3f %.3f\n", x, y);
  
  return 0;
}

C++: #include<iostream>
#include<string>
//0001
#include<cstddef>
#include<queue>
#include<vector>
//0003
#include<algorithm>
#include<iomanip>
#include<math.h>
using namespace std;

int main() {
	//0000
	/*
	int i, j;

	for (i = 1; i < 10; i++) {
		for (j = 1; j < 10; j++) {
			cout << i << "x" << j << "=" << i*j << endl;
		}
	}
	*/
	//0001
	/*
	int i;
	const size_t MNum = 10;
	int MHeight[MNum];
	int MH1 = 0, MH2 = 0, MH3 = 0;
	for (i = 0; i < 10; i++) {
		cin >> MHeight[i];
		if (MHeight[i] > MH1) {
			MH3 = MH2;
			MH2 = MH1;
			MH1 = MHeight[i];
		}
		else if (MHeight[i] > MH2) {
			MH3 = MH2;
			MH2 = MHeight[i];
		}
		else if (MHeight[i] > MH3) {
			MH3 = MHeight[i];
		}
	}
	cout << MH1 << endl << MH2 << endl << MH3 << endl;
	*/
	/*
	priority_queue<int, vector<int>, less<int> > que;
	int MH;

	for (int i = 0; i < 10; i++) {
		cin >> MH;
		que.push(MH);
	}

	for (int j = 0; j < 3; j++) {
		cout << que.top() << endl;
		que.pop();
	}
	*/
	//0002
	/*
	int a, b;
	while (cin >> a >> b) {
		int sum = a + b;
		int count = 0;
		while (sum > 0) {
			sum = sum / 10;
			count++;
		}
		cout << count << endl;
	}
	*/
	//0003
	/*
	int a[3];
	int N;
	cin >> N;
	for (int i = 0; i < N; i++) {
		cin >> a[0] >> a[1] >> a[2];
		sort(a, a + 3);
		if (a[0] * a[0] + a[1] * a[1] == a[2] * a[2]) {
			cout << "YES" << endl;
		}
		else {
			cout << "NO" << endl;
		}
	}
	*/
	double a,b,c,d,e,f;
	double x, y;
	int xi, yi;
	//???????????£??¨?????????????????§???????????????
	while (
		cin >> a
		>> b
		>> c
		>> d
		>> e
		>> f
		) {
		x = (e*c - b*f) / (e*a - b*d);
		y = (a*f - c*d) / (e*a - b*d);
		xi = roundf(x * 1000);
		yi = roundf(y * 1000);
		x = xi;
		x = x / 1000;
		y = yi;
		y = y / 1000;
		cout << fixed
			<< setprecision(3)
			<< x
			<< " "
			<< y
			<< endl;
	}
	return 0;
}

C++: #include <iostream>
#include <stdio.h>
#include <cmath>
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 (fabs(x) < 1e-3) x = 0;
		if (fabs(y) < 1e-3) y = 0;
		printf("%.3f %.3f\n", x, y);
	}
	return 0;
}

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

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;
}