Go: package main

import (
	"bufio"
	"fmt"
	"os"
	"strconv"
	"strings"
)

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]
		var mulA, mulD int
		if a < 0 {
			mulA = a * -1
		} else {
			mulA = a
		}
		if d < 0 {
			mulD = d * -1
		} else {
			mulD = d
		}
		a *= mulD
		b *= mulD
		c *= mulD
		d *= mulA
		e *= mulA
		f *= mulA

		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>
#include<iomanip>
using namespace std;

int main(){
	while(true){
		double a,b,c,d,e,f;
		cin>>a>>b>>c>>d>>e>>f;
		if(cin.fail()) break;
		double x=(c*e-b*f)/(a*e-b*d);
		double y=(c*d-a*f)/(b*d-a*e);
		if(x==0) x=0;
		if(y==0) y=0;
		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, y;
		x = (c * e - b * f) / (a * e - b * d);
		y = (c - (a * x)) / b;
		
		if (x == -0.000) x = 0.000;
		if (y == -0.000) y = 0.000;

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

	return (0);
}

C++: #include<cstdio>
int main(void)
{
	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)
	{
		y=(a*f-d*c)/(-(d*b)+a*e);
		x=(c-b*y)/a;
		printf("%.3lf %.3lf\n",x,y);
	}
	return 0;
}
/*
ax=c-by
->x=(c-by)/a
d((c-by)/a)+ey=f
(dc-dby)/a+ey=f
(dc-dby)+aey=af
-dby+aey=af-dc
y(-db+ae)=af-dc
->y=(af-dc)/(-db+ae)
*/

C++: #include<iostream>
#include<stdio.h>
using namespace std;
int main(){
 
  double a,b,c,d,e,f;
  double X,Y;
  while(cin>>a>>b>>c>>d>>e>>f){
    Y=(c*d-f*a)/(b*d-e*a);
    X=(c-b*Y)/a;

    Y*=10000.0;
    if((int)Y%10>4)Y+=1.0;
    Y/=10000.0;
    X*=10000.0;
    if((int)X%10>4)X+=1.0;
    X/=10000.0;
    printf("%.3f %.3f\n",X,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;
		x*=1000;
		if(x>=0)
		x+=0.5;
		else
		x-=0.5;
		x=int(x);
		x/=1000;
		y*=1000;
		if(y>=0)
		y+=0.5;
		else
		y-=0.5;
		y=int(y);
		y/=1000;
		cout<<fixed<<setprecision(3)<<x<<" ";
		cout<<fixed<<setprecision(3)<<y<<endl;
	}
	return 0;
}

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

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

C++: #include "bits/stdc++.h"

#define REP(i,num) for(int i=0;i<(num);++i)
#define ALL(c) c.begin(),c.end()
#define PRINTALL(c) for(auto& x:c){cout<<x<<' ';}cout<<endl;
#define PAIRCOMP(c,comp) [](const pair<ll,ll>& lhs,const pair<ll,ll>& rhs){return lhs.c comp rhs.c;}

using namespace std;
using ll = long long;

constexpr ll atcoder_mod = 1e9+7;

template<typename T=int>
T in(){T x; cin >> x; return (x);}
template<typename T=int,typename C=vector<T>>
C vecin(int N){C x(N);REP(i,N){x[i]=in<T>();}return move(x);}

void vout(){cout << endl;}
template<typename Head,typename... Tail>
void vout(Head&& h,Tail&&... t){cout << ' ' << h;vout(forward<Tail>(t)...);}
void out(){cout << endl;}
template<typename Head,typename... Tail>
void out(Head&& h,Tail&&... t){cout << h;vout(forward<Tail>(t)...);}

int main(){
	//cin.tie(0);
	//ios::sync_with_stdio(false);
	
	double a,b,c,d,e,f;
	while(cin>>a){
		cin>>b>>c>>d>>e>>f;
		double coeff = a*e-b*d;
		double x = (e*c-b*f)/coeff, y = (-c*d+a*f)/coeff;
		if(abs(x)<=1e-7) x=0;
		if(abs(y)<=1e-7) y=0;
		printf("%.3lf %.3lf\n",round(x*1000.0)/1000.0,round(y*1000.0)/1000.0);
	}
	return 0;
}

C++: #include<iostream>
#include<iomanip>
using namespace std;
int main(){
	double a,b,c,d,e,f,x,y;
	cout<<setprecision(4);
	while(cin>>a>>b>>c>>d>>e>>f){
		y=(d*c-f*a)/(b*d-e*a);
		x=(c-b*y)/a;
		printf("%.3f %.2f%d",x,y);
	}
}

C++: #include <cstdio>
#include <cstdlib>
#include <cmath>
#include <climits>
#include <cfloat>
#include <map>
#include <utility>
#include <set>
#include <iostream>
#include <memory>
#include <string>
#include <vector>
#include <algorithm>
#include <functional>
#include <sstream>
#include <complex>
#include <stack>
#include <queue>
using namespace std;
static const double EPS = 1e-5;
typedef long long ll;
#define FOR(i,n) for(i=0;i<n;i++)
#define rep(i,n) for(int i=0;i<n;i++)

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

C++: #include <stdio.h>

float round3(float a){
	a=a*1000;
	a=double (int (a));
	a=a/1000;

}



int main(){
	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){

		x=(c*e-b*f)/(a*e-b*d);
		y=(c*d-a*f)/(b*d-a*e);
		x=round3(x);
		y=round3(y);
		printf("%.3f %.3f\n",x,y);
	}
	return 0;
}

C++: #include <stdio.h>

main() {
  double a,b,c,d,e,f;
  double x,y;
  while(scanf("%lf %lf %lf",&a,&b,&c)!=EOF) {
    scanf("%lf %lf %lf",&d,&e,&f);
    x=y=-1;
    if(a==0||b==0) {
      if(a==0)
	x=0;
      if(b==0)
	y=0;
    }
    if(y==-1)
      y = (d*c/a - f) / (d*b/a - e);
    if(x==-1)
      x = f/d - e/d*y;
    printf("%.3lf %.3lf\n",x,y);
  }
}

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

int main()
{
	int a, b, c, d, e, f;
	while (cin >> a >> b >> c >> d >> e >> f) {
		double y = (double)(a*f - d*c) / (double)(a*e - b*d);
		double x = (double)(c - b*y) / (double)a;
		printf("%4.3f %4.3f\n", x, y);
	}
    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 <algorithm>
#include <cstdio>
#include <cstring>
using namespace std;

int main() {
  double a, b, c, d, e, f;
  while(cin >> a >> b >> c >> d >> e >> f) {
    double y = (d*c-a*f)/(d*b-a*e);
    double x = (c-b*y)/a;
    char buff[100];
    sprintf(buff, "%.3f", x);
    if(!strcmp(buff, "-0.000")) x = 0;
    sprintf(buff, "%.3f", y);
    if(!strcmp(buff, "-0.000")) y = 0;
    printf("%.3f %.3f\n", x, y);
  }
  return 0;
}

C++: #include <iostream>
#include <cstdio>
using namespace std;
int main( void )
{
  int a,b,c,d,e,f;
  double x,y;
  while( 1 ){
    cin >> a >> b >> c >> d >> e >> f;
    if( cin.eof() ) break;
    x = (double)(c*e-b*f) / (a*e-b*d);
    y = (double)(a*f-c*d) / (a*e-b*d);
    printf( "%.3lf %.3lf\n", x+0.0, y+0.0 );
  }
  return 0;
}