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 <cstdio>
using namespace std;

void Solve(double a,double b,double c,double d,double e,double f){
    double x,y;

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

    if(x==0)x=0.000;
    if(y==0)y=0.000;

    printf("%4.3f %4.3f\n",x,y);
}
int main(){
    double a,b,c,d,e,f;

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

    Solve(a,b,c,d,e,f);
    
    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){
		b/=a;c/=a;a/=a;
		e/=d;f/=d;d/=d;
		double high,low,y;
		high=1000.0;low=-1000.0;
		while(f+(b-e)*y!=c){
			y=(high+low)/2.0;
			if(f+(b-e)*y<c){
				if(b-e>=0)low = y;
				else high = y;
			}else if(f+(b-e)*y>c){
				if(b-e>=0)high = y;
				else low = y;
			}else{
				break;
			}
		}
		printf("%.3lf %.3lf\n",c-b*y,y);
	}
}

C++: #include <stdio.h>

//ax + by = c
//dx + ey = d

//y = (af-cd)/(ae-bd)
//x = (c-by)/a

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

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

int main(){
  int i;
  float x[6];
  int y1, y2, re1, re2;

  while(cin >> x[0]){
    for(i=1; i<6; i++){
      cin >> x[i];
    }

    //normalize
    x[1]/=x[0]; x[2]/=x[0]; x[0]=1;

    //subtraction
    x[4]-=x[3]*x[1]; x[5]-=x[3]*x[2]; x[3]=0;

    //normalize
    x[5]/=x[4]; x[4]=1;

    //subtraction
    x[2]-=x[1]*x[5]; x[1]=0;

    y1=(int)(x[2]*10000); y2=(int)(x[5]*10000);
    re1=y1%10; re2=y2%10;
    if(re1<5) y1-=re1;
    else y1+=10-re1;
    if(re2<5) y2-=re2;
    else y2+=10-re2;
    printf("%.3f %.3f\n", (float)y1/10000.0f, (float)y2/10000.0f);
  }

  return 0;
}

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

template<class T> inline void YES(T condition){ if(condition) cout << "YES" << endl; else cout << "NO" << endl; }
template<class T> inline void Yes(T condition){ if(condition) cout << "Yes" << endl; else cout << "No" << endl; }
template<class T> inline void POSS(T condition){ if(condition) cout << "POSSIBLE" << endl; else cout << "IMPOSSIBLE" << endl; }
template<class T> inline void Poss(T condition){ if(condition) cout << "Possible" << endl; else cout << "Impossible" << endl; }
template<class T> inline void First(T condition){ if(condition) cout << "First" << endl; else cout << "Second" << endl; }
int character_count(string text, char character){ int ans = 0; for(int i = 0; i < text.size(); i++){ ans += (text[i] == character); } return ans; }
long power(long base, long exponent, long module){ if(exponent % 2){ return power(base, exponent - 1, module) * base % module; }else if(exponent){ long root_ans = power(base, exponent / 2, module); return root_ans * root_ans % module; }else{ return 1; }}
struct position{ int y, x; }; position move_pattern[4] = {{-1, 0}, {0, 1}, {1, 0}, {0, -1}}; // double euclidean(position first, position second){ return sqrt((second.x - first.x) * (second.x - first.x) + (second.y - first.y) * (second.y - first.y)); }
template<class itr, class func> void array_output(itr start, itr goal, func out = [](itr x) { return x; } ){ string ans; for(auto i = start; i != goal; i++){ ans += to_string(*i) + " "; } ans.pop_back(); cout << ans << endl; }
template<class itr, class func> void nint_output(itr start, itr goal, func out = [](itr x) { return x; } ){ string ans; for(auto i = start; i != goal; i++){ ans += string(out(*i)) + " "; } ans.pop_back(); cout << ans << endl; }
long gcd(long a, long b){ if(a && b){ return gcd(min(a, b), max(a, b) % min(a, b)); }else{ return a; }}
#define mod long(1e9 + 7)
#define all(x) (x).begin(), (x).end()
#define bitcount(n) __builtin_popcount(n)

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

C++: #include<iostream>
using namespace std;
void sort(int &a, int &b, int &c);

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

		printf("%.3f %.3f\n", x, y);
	}
}

C++: #include<iostream>
#include<cstdio>
using namespace std;
int main(){
	while(!cin.eof()){
		int a,b,c,d,e,f;
		cin>>a>>b>>c>>d>>e>>f;
		double d1,d2,d3;
		d1=a*e-b*d;
		d2=c*e-b*f;
		d3=a*f-c*d;
		printf("%.3f %.3f\n",d2/d1,d3/d1);
	}
	return 0;	
}

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

int main(){
	cout << fixed << setprecision(3);
	double a,b,c,d,e,f;
	cin >> a >> b >> c >> d >> e >> f;
	double y = ((d * c) - (a * f)) / ((d * b) - (a * e)) ;
	double x = (c - (b * y)) / a;
	cout << x << " " << y << "\n";

}

C++: #include<cstdio>
#include<algorithm>
#include<vector>
#include<string>
#include<iostream>
#include<queue>
#include<map>
#include<set>

using namespace std;

#define reps(i,f,n) for(int i=f;i<int(n);i++)
#define rep(i,n) reps(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){
		double A = b/a-e/d;
		double B = c/a-f/d;
		
		double y = B/A;
		double x = c/a-b/a*y;
		
		
		printf("%.9lf %.9lf\n",x,y);
	}
}