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 <stdio.h>

int main() {
	
	double a, b, c, d, e, f;	//scanf
	double x, y;							//ans
	int t, t2;
	
	double n = 0, m = 0, j = 0, h = 0, i = 0;						//temp
	
	while(1){
		
		if (scanf("%lf %lf %lf %lf %lf %lf", &a, &b, &c, &d, &e, &f) == EOF) break;
		
		//printf("%lf %lf %lf\n%lf %lf %lf\n", a, b, c, d, e, f);	//input
		
		n = a / d;                                             //Xツづーツ堕オツつヲツつスツつ「
		j = d * n; h = e * n; i = f * n;
		
		//printf("%lf %lf %lf\n%lf %lf %lf\t\t%lf\n", a, b, c, j, h, i, n);
		
		m = b - h;
		y = c - i;
		//printf("%lf %lf\n", m, y);
		
		if(y != 0) y /= m;
		//printf("%lf\n", y);
		
		i = c - (b * y);
		x = i / a;
		
		//printf("x = %lf, y = %lf\n", x, y);
		
		if(x != 0) if (x > 0) { x += 0.0005; } else { x -= 0.0005; }
		if(y != 0) if (y > 0) { y += 0.0005; } else { y -= 0.0005; }
		
		
		//printf("x = %lf, y = %lf\n", x, y);
		
		x *= 1000;
		y *= 1000;
		
		t = (int)x;
		t2 = (int)y;
		
		//printf("x = %lf, y = %lf t = %d, t2 = %d\n", x, y, t, t2);
		
		x = t;
		y = t2;
		
		x /= 1000;
		y /= 1000;
		
		//printf("%lf %lf\n", x, y);
		printf("%.3lf %.3lf\n", x, y);
		//2 -1 -3 1 -1 -3
		//2 -1 -3 -9 9 27

	}
	return 0;
}

C++: #include <iostream>
#include <stdlib.h>
#include <string.h>
#include <sstream>
#include <iostream>
#include <math.h>
#include <iomanip>

using namespace std;

string float_to_string(float f, int digits)
{
  if (f == 0) {
    f = 0;
  }
  ostringstream oss;
  oss << setprecision(digits) << setiosflags(ios::fixed) << f;
  return oss.str();
}

void calc_and_output(int *c)
{
  float x = (float)(c[1]*c[5]-c[2]*c[4])/(c[1]*c[3]-c[0]*c[4]);
  float y = (float)(c[0]*c[5]-c[2]*c[3])/(c[0]*c[4]-c[1]*c[3]);

  cout << float_to_string(x, 3) << " " << float_to_string(y, 3) << endl;
}

int main(int argc, char const* argv[])
{
  int c[6];

  string line;
  while (getline(cin, line)) {
    istringstream iss(line);
    int val;
    int c[6];
    for (int i = 0; i < 6; i++) {
      iss >> val;
      c[i] = val;
    };

    calc_and_output(c);
  }

  return 0;
}

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

int main(void) {
    double a,b,c,d,e,f;
    double x,y;
    while (1){
        cin >> a;
        if (cin.eof())
            break;
        cin >> b >> c >> d >> e >> f;
        x=(e*c-b*f)/(a*e-b*d);
        y=(-d*c+a*f)/(a*e-b*d);
        printf("%.3f %.3f\n",x,y);
    }
    return 0;
}

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)
    {
//        cout << "input numbers: " << a << " " << b << " " << c << " " << d << " " << e << " " << f << endl;

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

//        cout << "before round: " << std::fixed << std::setprecision(4) << x << " " << y << endl;

        x = x * 1000.0;
        y = y * 1000.0;

        x = round(x);
        y = round(y);

        x = x / 1000.0;
        y = y / 1000.0;

//        cout << "after round: " << std::fixed << std::setprecision(4) << x << " " << y << endl;

        cout << std::fixed << std::setprecision(3) << x << " " << y << endl;
    }

    return 0;
}

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

int main(void)
{
  std::cin.tie(0);
  std::ios::sync_with_stdio(false);

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

C++: #include <iostream>
#include <stdio.h>
#include <math.h>
using namespace std;
#define ep 0.00001

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

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

int main(){
	double a11,a12,c,a21,a22,f;
	while(cin>>a11>>a12>>c>>a21>>a22>>f){
		double x,y,delta=a11*a22-a12*a21;
		x=(a22*c-a12*f)/delta;
		y=(a11*f-c*a21)/delta;
		if(x>0){x=(double)(((int)((x*1000)+0.5))/1000);
		}else{x=(double)(((int)((x*1000)-0.5))/1000);}
		if(y>0){y=(double)(((int)((y*1000)+0.5))/1000);
		}else{y=(double)(((int)((y*1000)-0.5))/1000);}
		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){
        
        
        if(a!=0)
            y=((d/a)*c-f)/((d/a)*b-e);
        else
            y=c/b;
        
        if(b!=0)
            x=((e/b)*c-f)/((e/b)*a-d);
        else
            x=c/a;
        
        cout<<fixed<<setprecision(3)<<x<<" "<<y<<endl;
    }
}

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;
    double x=ans(b,a,c,e,d,f);
    double y=ans(a,b,c,d,e,f);
    if(x<0||0.001+x>0){
        x=-x;
    }
    if(y<0||0.001+y>0){
        y=-y;
    }
    cout<<fixed<<setprecision(3)<<x<<' '<<setprecision(3)<<y<<endl;
}

C++: #include<bits/stdc++.h>
using namespace std;
#define mp make_pair
#define fi first
#define se second
#define ll long long
#define pb push_back

# define inOut(a,b) freopen(a,"r",stdin);freopen(b,"w",stdout);
# define RESET(a) memset(a,0,sizeof(a))
# define MEMO(a) memset(a,-1,sizeof(a))
# define DEBUG puts("Debug-Has-Come-Until-Here")


typedef pair<int,int> ii;
typedef vector<int> vi;
typedef vector<ii> vii;

int main(){
	cin.tie(NULL);
	
	int a,b,c,d,e,f;
	double x,y;
	while(scanf("%d %d %d %d %d %d", &a, &b, &c, &d, &e, &f) != EOF){
		//DEBUG;
		x = (double)(c*e - b*f)/(double)(a*e - b*d);
		y = (double)(c*d - a*f)/(double)(b*d - e*a);
		if (fabs(x) < 0.001) x = fabs(x);
		if (fabs(y) < 0.001) y = fabs(y);
		printf("%.3lf %.3lf\n", x,y);
	}

	return 0;
}

C++: #include<bits/stdc++.h>
using namespace std;
int main(){
	double a,b,c,d,e,f,x = 0, y = 0;
	while (~scanf("%lf%lf%lf%lf%lf%lf", &a, &b, &c, &d, &e, &f)){
		x = 0; y = 0;
		x = double(b*f - c*e)/double(b*d-a*e);
		y = double(c - a*x)/double(b);
		if (x == 0) x = 0;
		if (y == 0) y = 0;
		printf("%.3lf %.3lf\n", x , y);
	}
	return 0;
}

C++: #include<bits/stdc++.h>
using namespace std;
#define FOR(i,a,b) for (int i=(a);i<(b);i++)
#define RFOR(i,a,b) for (int i=(b)-1;i>=(a);i--)
#define REP(i,n) for (int i=0;i<(n);i++)
#define RREP(i,n) for (int i=(n)-1;i>=0;i--)
typedef long long LL;
int main(){
        double a,b,c,d,e,f;
        while(cin>>a,cin>>b>>c>>d>>e>>f){
           cout<<setprecision(3)<<fixed<<(f-e/b*c)/(d-e/b*a)<<" "<<(f-d/a*c)/(e-d/a*b)<<endl;
        }
	return(0);
}