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

Python: while 1:
    try:
        a,b,c,d,e,f=[int(i) for i in input().split()]

        y=float((c*d-f*a)/(b*d-e*a))
        x=float((c-b*y)/a)
        print("{0:.3f}".format(x),"{0:.3f}".format(y))
    except EOFError:
        break

Python: while True:
    try:
        a, b, c, d, e, f = map(float, input().split())
        det = e*a - b*d
        x = (e*c - b*f)/det
        y = (f*a - c*d)/det
        if x == 0:x=0
        if y==0:y=0
        print("{0:.3f} {1:.3f)".format(x,y))
    except EOFError:
        break

Python: while True:
	try:
		a,b,c,d,e,f = map(float,input().split())
	except:
		break

	y = (c / a - f / d) / (b / a - e / d)
	x = ( c - b * y ) / a
	print ("%.3f %.3f" % (x,y))

Python: import sys

d = sys.stdin.readline()
while d:
    a,b,c,d,e,f = map(int,d.split())
    inv = 1/(a*e - b*d)
    iA = [[e,-b],[-d,a]]
    B = [c,f]
    sol = list()
    for i in range(2):
        tmp = 0
        for j in range(2):
            tmp += iA[i][j] * B[j]
        sol.append(tmp*inv)
    print("%.3f %.3f"%(sol[0],sol[1]))

    d = sys.stdin.readline()

Python: while True:
    try:
        a, b, c, d, e, f = map(int, input().split())
        tb, tc = d*b, d*c
        te, tf = a*e, a*f
        y = (tc-tf)//(tb-te)
        x = (c-(y*b))//a
        print("{0:.3f} {1:.3f}".format(x, y))

    except:
        break

Python: while 1:    #ax+by=c #dx+ey=f
            
    try:
        a,b,c,d,e,f=map(float,input().split())
        det=a*e-d*b
        x=(e*c-b*f)/det
        y=(-d*c+a*f)/det
        if abs(x) < 0.0001:
            x = 0.0
        if abs(y) < 0.0001:
            y = 0.0
        print(format(x,'.3f'),format(y,'.3f'))   
    except EOFError:
        break

Python: def Cramer(coef):
	deno = coef[0]*coef[4] - coef[1]*coef[3]
	return [(coef[2]*coef[4] - coef[1]*coef[5]) / deno, (coef[0]*coef[5] - coef[2]*coef[3]) / deno]

while True:
	try:
		coeflist = [float(item) for item in input().split()]
		ans1, ans2 = Cramer(coeflist)
		if abs(ans1) < 1e-4:
			ans1 = 0.0
		if abs(ans2) < 1e-4:
			ans2 = 0.0
		print('%.3f %.3f' %(ans1, ans2))
	except EOFError:
		break

Python: __author__ = 'bisuk'

while True:
    try:
        a, b, c, d, e, f = map(int, input().strip("\n").split(" "))
        # print(a, b, c, d, e, f)
        z = a * e - b * d
        if z == 0:
            break
        x = (c * e - b * f) / z
        y = (f * a - c * d) / z
        #print(str(x) + " " + str(y))
        print("{0:.3f} {1:.3f}".format(x, y))

    except EOFError:
        break  # escape from while loop

Python: import math,string,itertools,fractions,heapq,collections,re,array,bisect,sys,random,time,copy

sys.setrecursionlimit(10**7)
inf = 10**20
mod = 10**9 + 7

def LI(): return [int(x) for x in sys.stdin.readline().split()]
def LF(): return [float(x) for x in sys.stdin.readline().split()]
def LS(): return sys.stdin.readline().split()
def I(): return int(sys.stdin.readline())
def F(): return float(sys.stdin.readline())
def S(): return input()


class Matrix():
    def __init__(self, A):
        self.A = A
        self.row = len(A)
        self.col = len(A[0])

    def __iter__(self):
        return self.A.__iter__()

    def __getitem__(self, i):
        return self.A.__getitem__(i)

    def __add__(self, B):
        aa = self.A
        bb = B.A
        return Matrix([[aa[i][j] + bb[i][j] for j in range(self.col)] for i in range(self.row)])

    def __sub__(self, B):
        aa = self.A
        bb = B.A
        return Matrix([[aa[i][j] - bb[i][j] for j in range(self.col)] for i in range(self.row)])

    def __mul__(self, B):
        aa = self.A
        bb = B.A
        a = []
        for i in range(self.row):
            ai = aa[i]
            r = []
            for j in range(B.col):
                r.append(sum([ai[k] * bb[k][j] for k in range(self.col)]))
            a.append(r)
        return Matrix(a)

    def __truediv__(self, x):
        pass

    def lu(self):
        size = self.row
        T = copy.deepcopy(self.A)
        L = [[0]*size for _ in range(size)]
        U = [[0]*size for _ in range(size)]
        for i in range(size):
            for j in range(i,size):
                L[j][i] = T[j][i]
            for j in range(i,size):
                U[i][j] = T[i][j] / T[i][i]
            for j in range(i+1,size):
                for k in range(i+1,size):
                    T[j][k] -= L[j][i] * U[i][k]

        return Matrix(L),Matrix(U)

    def __str__(self):
        return self.A.__str__()

def solve_se(A, b):
    n = A.row
    L,U = A.lu()
    y = []
    for i in range(n):
        t = b[i]
        for k in range(i):
            t -= L[i][k] * y[k]
        y.append(t / L[i][i])

    x = [0] * n
    for i in range(n-1,-1,-1):
        t = y[i]
        for k in range(i+1,n):
            t -= U[i][k] * x[k]
        x[i] = t
    return x


def main():
    sa = [s for s in sys.stdin.read().split('\n') if s]
    r = []
    for s in sa:
        a,b,c,d,e,f = [int(c) for c in s.split()]
        A = Matrix([[a,b],[d,e]])
        B = [c,f]
        x = solve_se(A,B)
        r.append(' '.join(map(lambda t: '{:01.3f}'.format(1.0*t), x)))

    return '\n'.join(r)

print(main())

Python: #_*_ coding:utf-8 _*_
import sys


while True:
    vals = sys.stdin.readline()
    if(vals is  None or vals.strip() == '' ):
        break
    a,b,c,d,e,f=list( map(float,vals.strip().split()))
    temp = a * e - d * b
    print(temp)
    x = (c * e - b * f) / temp + 0.0
    y = (c * d - a * f) / -temp + 0.0
    print('%.3f %.3f' % (x,y))

Python: import sys
[print("{: .3f} {: .3f}".format((x[4] * x[2] - x[1] * x[5]) / (x[0] * x[4] - x[1] * x[3]), (x[0] * x[5] - x[2] * x[3]) / (x[0] * x[4] - x[1] * x[3]))) for x in [[float(y) for y in x.split()] for x in sys.stdin]]

Python: import sys
#import numpy as np
# AOJではnumpy使えません
#np.set_printoptions(formatter={'float': '{: 0.3f}'.format}) #桁を揃える

lines = sys.stdin.readlines()
for line in lines:
    a = list(map(float, line.split(" ")))
    tmp = a[0]
    for i in range(0, 3):
        a[i] = a[i] * a[3]
    for i in range(3, 6):
        a[i] = a[i] * tmp
    y = (a[2] - a[5]) / (a[1] - a[4])
    x = (a[2] - a[1] * y) / a[0]
    print("{0:0.3f} {1:0.3f}".format(x, y))

Python: while 1:
    try:
        a,b,c,d,e,f=map(int,input().split())
        x=(c*d-a*f)/(b*d-a*e)
        print("{:.3f} {:.3f}".format((c-b*x)/a,x))
    except:break

Python: import sys

for line in sys.stdin:
    a,b,c,d,e,f= map(int,line.split())
    z=a*e-b*d
    if(z!=0):
        x=(c*e-b*f)/z
        y=(a*f-c*d)/z
    print("{0:.3f} {1:.3f)".format(x+0, y+0))

Python: while True:
    try:
        a, b, c, d, e, f = map(float, input().split())
        x = (c*e - b*f)/(a*e - b*d)
        y = (a*f - c*d)/(a*e - b*d)
        print('%.3f %.3f' %(x+0,y+0))
    except:
        break

Python: from sys import stdin
for l in stdin:
  a,b,c,d,e,f = map(int,l.split())
  x = round((c*e-b*f)/(a*e-b*d),3) + 0.000
  y = round((c*d-a*f)/(b*d-a*e),3) + 0.000
  print("%s %s"%("{0:.3f}".format(x),"{0:.3f}".format(y)))