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 <cstdio>
using namespace std;
int main(void){
     
    double x, y;
    int a, b, p;
    int c, d, q;
 
    while (cin >> a >> b >> p >> c >> d >> q){
 
        x = (double)((p * d - b * q) / (a * d - b * c));
        y = (double)((-(a * q) + p * c) / (a * d - b * c));
        if (x == 0)x = 0;
        if (y == 0)y = 0;
        printf("%.3f %.3f\n", x, y);
    }
}

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

void solve(int a, int b, int c, int d, int e, int f) {
	double x = (f - (double)e*c/b) / (d - (double)e*a/b);
	double y = (c - a*x) / b;
	if (x == 0) x = 0.000;
	if (y == 0) y = 0.000;
	printf("%4.3f %4.3f\n", x, y);
}

int main() {
	int a, b, c, d, e, f;
	while (cin >> a >> b >> c >> d >> e >> f) {
		solve(a,b,c,d,e,f);
	}
	return 0;
}

C++: #include<iostream>
#include<string>
#include<algorithm>
#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){
    x=(a*f-c*d)  /(a*e-b*d) ;
    y=(c*e-f*b)/(a*e-b*d);
    printf("%.3lf %.3lf \n",x,y);
  }
}

C++: #include <cstdio>

float a,b,c,d,e,f;
int main (){
  scanf("%f %f %f %f %f %f",&a,&b,&c,&d,&e,&f);
  float x,y;
  x=(f*b/e-c)/(d*b/e-a);
  y=(f*a/d-c)/(d*a/d-a);
  printf("%f %f",x,y);
}

C++: /* Blaces() are very important. */
/* It calls the memory from LISP world. :-) */

#include <stdio.h>

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

C++: #include<stdio.h>
#define N 1000000
struct{double a,b,c,d,e,f;}data[N];

int main(){
    int i,L;
    double a,b,c,d,e,f;
    double x,y;
    for(i=0; i<N&&scanf("%d %d %d %d %d %d",&data[i].a,&data[i].b,&data[i].c,&data[i].d,&data[i].e,&data[i].f)!=EOF; i++);
    L=i;
    for(i=0;i<L;i++){
        a=data[i].a; b=data[i].b; c=data[i].c; d=data[i].d; e=data[i].e; f=data[i].f;
        x=(1/(a*e-b*d))*(e*c-b*f);
        y=(1/(a*e-b*d))*(a*f-d*c);
        printf("%4.3f %4.3f\n",x,y);
    }
    return 0;
}

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

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

using namespace std;

typedef long long ll;
typedef unsigned long long ull;
typedef vector<int> vi;
typedef pair<int, int> ii;
typedef pair<ll, int> li;
typedef pair<int, ll> il;
typedef vector<ii> vii;
typedef vector<il> vil;
typedef vector<li> vli;

#define F            first
#define S            second
#define pb(x)        push_back(x)
#define mp(a,b)      make_pair(a,b)
#define mt(a,b,c)    make_tuple(a,b,c)
#define sz           size()
#define all(A)       A.begin(), A.end()
#define mem(a, b)    memset(a, b, sizeof(a))   // all elements of A are b=0 or b=-1 else don't work
#define f0(i,b)      for(ll i=0;i<(b);i++)
#define f1(i,b)      for(ll i=1;i<=(b);i++)
#define f2(i,a,b)    for(ll i=(a);i<=(b);i++)
#define f3(i,b,a)    for(ll i=(b);i>=(a);i--)
#define rep(i,a,b,c) for(ll i=(a);i!=(b);i+=(c))

#define mod          10000007
#define PI           acos(-1.0)
#define MAX3(a,b,c)  max(a,max(b,c))

#define whilee(i,t)  while(i!=t)
#define  sl(a)       scanf("%lld",&a)
#define  pl(a)       printf("%lld\n",a)

//x = 1e18 means 10^18
//for(auto it =A.begin(); it!=A.end(); it++)
//sort(A.begin(),A.end()); //sort(A, +n, greater<int>());
//binary_search(A.begin(),A.end(),x);
//reverse(A.begin(), A.end());
//cout << *max_element(A.begin(), A.end());
//cout << *min_element(A.begin(), A.end());
//count(A.begin(), A.end(), X); //counts the occurrences of X
//distance(A.begin(),A.end());  //distance between first to last element
//accumulate(A.begin(), A.end(), 0); //add
//next_permutation(A.begin(), A.end());
//prev_permutation(A.begin(), A.end());
//swap(S[0], T[0]);

//scanf("%lld",&x);
//printf("%lld\n",x);
//printf("%I64d\n", a);
//while (scanf("%lld %lld", &a, &b) == 2)
//printf("Case %lld: %lld\n", t++, a);

//vector <ll> A;
//deque <ll> A;
//queue <ll> A;
//stack <ll> A;
//list <int> A;
//set <ll> A;
//map <ll,ll> A;
//pair <ll,ll> A ;
//tuple <ll, ll, ll> A;
//vector <pair <ll,ll>> A ;
//bitset<32> bset1;
//bool ok = true;
//char ch;
//string S, T, U;
double i=0, j=0, k=0, a, b, c, d, e, f, g, h, l, m, n, o, p, q, r, s, t=1, u, v, w, z, maxx=INT_MIN, minn=INT_MAX, ans=0, sum=0, cnt=0;

int main()
{

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

    return 0;
}

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

int main(){
	int i = 0;
	double a, b, c, d, e, f;
	double x[2], y[2];
	while (i<=1){
		cin >> a >> b >> c >> d >> e >> f;
		x[i] = (c*e - f*b) / (a*e - b*d);
		y[i] = (c - a*x[i]);
		i++;
	}
	for (int j = 0; j < 2; j++){
		cout << fixed << setprecision(3) << x[j] << " " << setprecision(3) << y[j] << '\n';
	}

	return 0;
}

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

using namespace std;
int main() {
    float a,b,c,d,e,f,x,y;
    while(cin >> a){
        cin >> b;
        cin >> c;
        cin >> d;
        cin >> e;
        cin >> f;

        x = (-f+e*c/b)/(-d+a*e/b);
        y = (c-a*x)/b;
        x *= 10000.0f;
        y *= 10000.0f;
        x += 0.5f;
        y += 0.5f;
        x = (int)x;
        y = (int)y;
        x /= 10000.0f;
        y /= 10000.0f;
        printf("%.3f %.3f\n",x,y);

    }
    return 0;

}

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

int main() {
  float a,b,c,d,e,f;
  float x,y;
  while(std::cin >> a >> b >> c >> d >> e >> f) {

    if(a >= d && fmodf(a, d) == 0) {
      y = (c - (f * (a / d))) / (b - (e * (a / d)));
      x = (c - (b * y)) / a;
    }
    else if(a < d && fmodf(d, a) == 0) {
      y = (f - (c * (d / a))) / (e - (b * (d / a)));
      x = (c - (b * y)) / a;
    }
    else if(b >= e && fmodf(b, e) == 0) {
      x = (c - (f * (b / e))) / (a - (d * (b / e)));
      y = (c - (a * x)) / b;
    }
    else if(b < e && fmodf(e, b) == 0) {
      x = (f - (c * (e / b))) / (d - (a * (e / b)));
      y = (c - (a * x)) / b;
    }
    else {}
    if(x == 0) {x = 0.000;}
    if(y == 0) {y = 0.000;}
    std::cout << std::fixed << std::setprecision(3) << x << " " << y << std::endl;
  }

  return 0;
}

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

using namespace std;

/*
aX+bY=c
dX+eY=f
*/

void solve(int a, int b, int c, int d, int e, int f) {
	double x = (f - (double)e*c/b) / (d - (double)e*a/b);
	double y = (c - a*x) / b;
	printf("%4.3f %4.3f\n", x, y);
}

int main() {
	int a, b, c, d, e, f;
	while (cin >> a >> b >> c >> d >> e >> f) {
		solve(a,b,c,d,e,f);
	}
	return 0;
}