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.Print(x)
		fmt.Println(".000")
		fmt.Print(y)
		fmt.Println(".000")
	}
}

C++: #include<bits/stdc++.h>
using namespace std;
typedef long long ll;
#define F first
#define S second
#define pii pair<int, int>
#define eb emplace_back
#define all(v) v.begin(), v.end()
#define rep(i, n) for (int i = 0; i < (n); ++i)
#define rep3(i, l, n) for (int i = l; i < (n); ++i)
#define sz(v) (int)v.size()
#define inf (int)(1e9+7)
#define abs(x) (x >= 0 ? x : -(x))
#define ceil(a, b) a / b + !!(a % b)
template<typename T1, typename T2> inline void chmin(T1 &a, T2 b) { if (a > b) a = b; }
template<typename T1, typename T2> inline void chmax(T1 &a, T2 b) { if (a < b) a = b; }
ll pow(ll a, int b) { return b ? pow(a * a, b / 2) * (b % 2 ? a : 1) : 1; }
template<typename T> T gcd(T a, T b) { if (b == 0) return a; return gcd(b, a % b); }

const double EPS = 1E-8;
typedef vector<double> vec;
typedef vector<vec> mat;

vec gauss_jordan(const mat& A, const vec& b) {
    int n = (int)A.size();
    mat B(n, vec(n + 1));
    // init
    rep(i ,n) rep(j, n) B[i][j] = A[i][j];
    rep(i, n) B[i][n] = b[i];
    
    rep(i, n) {
        // 注目している変数の係数の絶対値が大きい式をi番目に持ってくる
        int pivot = i; // 要点
        rep3(j, i, n) if (abs(B[j][i]) > abs(B[pivot][i])) pivot = j;
        swap(B[i], B[pivot]);
        // 解がないか一意でない
        if (abs(B[i][i]) < EPS) return vec();
        // 注目している変数の係数を1にする
        rep3(j, i + 1, n + 1) B[i][j] /= B[i][i];
        // j番目の式からi番目の変数を消去
        rep(j, n) if (i != j) rep3(k, i + 1, n + 1) B[j][k] -= B[j][i] * B[i][k];
    }
    
    vec x(n);
    rep(i, n) x[i] = B[i][n];
    return x;
}

int main() {
    int a, bb, c, d, e, f;
    while (cin >> a >> bb >> c >> d >> e >> f) {
        mat A(2, vec(2));
        vec b(2);
        A[0][0] = a; A[0][1] = bb;
        A[1][0] = d; A[1][1] = e;
        b[0] = c;
        b[1] = f;
        auto v = gauss_jordan(A, b);
        cout << fixed << setprecision(3) << v[0] << " " << v[1] << '\n';
    }
    
}

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

using namespace std;

int main() {
  ios_base::sync_with_stdio(false);
  cin.tie(0);
  cout << fixed << setprecision(3);
  double a, b, c, d, e, f, x, y;
  while (cin >> a >> b >> c >> d >> e >> f) {
    x = (c * e - b * f) / (a * e - d * b);
    y = (a * f - c * d) / (a * e - b * d);
    if (!x) x = 0;
    if (!y) y = 0;
    cout << x << ' ' << y << '\n';
  }
  return 0;
}

C++: #include <algorithm>
#include <string.h>
#include <stdio.h>

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

C++: #include<stdio.h>

int main(void)
{
	double a,b,c,d,e,f;
	
	while(scanf("%f %f %f %f %f %f",&a,&b,&c,&d,&e,&f)!=EOF)
	{
		printf("%.3f %.3f\n",(e*c-b*f)/(a*e-b*d)+0.0,(a*f-d*c)/(a*e-b*d)+0.0);
	}

	return 0;
}

C++: #include <iostream>
#include <algorithm>
#include <set>
#include <vector>
#include <sstream>
#include <typeinfo>

using namespace std;

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

C++: #include <stdio.h>
float round3(float a){
	a=a*10000;
	if(int(a)%10>5){
		a=a+10-int(a)%10;
	}else{
		a=a-int(a)%10;
	}
	
	a=double (int (a/10));
	a=a/10000;

}
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){
		y=(c*d-a*f)/(b*d-a*e);
		x=(c-b*y)/a;
		/*
		x=round3(x);
		y=round3(y);
		*/
		printf("%0.3lf %0.3lf\n",x,y);
	}
	return 0;
}

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

using namespace std;

double a, b, c, d, e, f;
double x, y;

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

C++: ///
// File:  0004.cpp
// Author: ymiyamoto
//
// Created on Wed Nov  8 21:45:53 2017
//

#include <cstdint>
#include <iomanip>
#include <iostream>

using namespace std;

int32_t main()
{
  while (true) {
    double a, b, c, d, e, f;
    cin >> a >> b >> c >> d >> e >> f;
    if (cin.eof()) break;

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

  return 0;
}

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

int main(){
  for(double a1,b1,c1,d1,e1,f1,a2,b2,c2,d2,e2,f2,a3,b3,c3,d3,e3,f3,x,y;cin>>a1>>b1>>c1>>d1>>e1>>f1;){

    a2=a1*d1;
    b2=b1*d1;
    c2=c1*d1;

    d2=a1*d1;
    e2=a1*e1;
    f2=a1*f1;

    y=(c2-f2)/(b2-e2);

    a3=a1*e1;
    b3=b1*e1;
    c3=c1*e1;

    d3=b1*d1;
    e3=b1*e1;
    f3=b1*f1;

    x=(c3-f3)/(a3-d3);

    printf("%.3f %.3f\n",x,y);
  }
  return 0;
}

C++: #include <iostream>

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

C++: #include<stdio.h>
#include<math.h>
int main(void){
    double a,b,c,d,e,f,A,x,y,X,Y,Z;

    while(scanf("%lf%lf%lf%lf%lf%lf",&a,&b,&c,&d,&e,&f)!=EOF){
    A=a;
    a=a*d,b=b*d,c=c*d;
    d=d*A,e=e*A,f=f*A;

    Y=b-e,Z=c-f;
    y=Z/Y;
    x=(c-y*b)/a;
    x=x+0.0005,y=y+0.0005;
    x=x*1000,y=y*1000;
    x=floor(x);
    y=floor(y);
    x=x/1000,y=y/1000;
    if(x==-0)x=0;
    if(y==-0)y=0;
   printf("%.3lf %.3lf\n",x,y);
    }
   // printf("\na%lf\nb%lf\nc%lf\nd%lf\ne%lf\nf%lf\n%lf\n%lf",a,b,c,d,e,f,Y,Z);

    return 0;
}

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

int main()
{
    int a,b,c,d,e,f;
    double x,y;
    for(int i=0;i<2;i++){
        cin>>a>>b>>c>>d>>e>>f;
        double l,m,n;
        l=a/d;
        m=b-e*l;
        n=c-f*l;
        y=n/m;
        x=(c-b*y)/a;
        cout<<x<<" "<<y<<endl;
    }
    return 0;
}

C++: #include<bits/stdc++.h>
using namespace std;
#define all(vec) vec.begin(),vec.end()
typedef long long int ll;
typedef pair<int,int> P;
const ll MOD=1000000007;
const ll INF=1000000010;
const ll LINF=4000000000000000010LL;
const int MAX=310;
const double EPS=1e-8;
int dx[4]={1,0,-1,0};
int dy[4]={0,1,0,-1};
int main(){
    double a,b,c,d,e,f;
    while(cin>>a>>b>>c>>d>>e>>f){
        double y=(a*f-c*d)/(a*e-b*d);
        double x=(-b*y+c)/a;
        x*=1000;
        printf("%.3f ",round(x)/1000);
        y*=1000;
        printf("%.3f\n",round(y)/1000);
    }
}

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

int main()
{
	double A, B, C, D, E, F, X, Y, G , H;

	while(cin >> A >> B >> C >> D >> E >> F)
	{
		G = A / D;
		D *= G;
		E *= G;
		F *= G;
		Y = (F-C) / (E-B);
		
		D /= G;
		E /= G;
		F /= G;
		H = B / E;
		D *= H;
		E *= H;
		F *= H;
		X = (F-C) / (D-A);

		X= floor(X*1000+0.5)/1000;
		Y= floor(Y*1000+0.5)/1000;

		if(Y==0){
			Y=0;
		}

		if(X==0){
			X=0;
		}

		cout<<fixed<<setprecision(3)<<X<<" "<<fixed<<setprecision(3)<<Y<<endl;
	}

	return 0;
}