Go: package main

import "fmt"

func main() {
	var Xs, Ys []float32
	Xs = make([]float32, 0)
	Ys = make([]float32, 0)
	var cnt int
	for {
		var a, b, c, d, e, f, x, y float32
		fmt.Scanf("%f %f %f %f %f %f", &a, &b, &c, &d, &e, &f)
		if a == 0 {
			break
		}
		y = (((a * f) - (d * c)) / ((a * e) - (b * d)))
		x = ((c - (b * y)) / a)
		Xs = append(Xs, x)
		Ys = append(Ys, y)
		cnt++
	}
	for i := 0; i < cnt; i++ {
		fmt.Printf("%.3f %.3f\n", Xs[i], Ys[i])
	}
}

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

while True:
    line = sys.stdin.readline()
    if line is '':
        break
    #print(line)
    cnt = 0
    idx = 0
    a = np.array([0.0, 0.0, 0.0, 0.0])
    b = np.array([0.0, 0.0])
    for k in list(map(float, line.split(" "))):
        if cnt == 2:
            b[0] = k
            idx -= 1
        elif cnt == 5:
            b[1] = k
        else:
            a[idx] = k
        cnt += 1
        idx += 1
    #print(a, b)
    a = a.reshape(2, 2)
    x = np.linalg.solve(a, b)
    print('{0: .3f} {1: .3f}'.format(x[0], x[1]))

Python: # -*- coding: utf-8 -*-

import sys

def solve_sim_equ(a, b, c, d, e, f):
    '''
    This function solves following equation.
    ax + by = c
    dx + ey = f
    '''
    if a==0 and d==0:
        if b==0 and e==0:
            return 0., 0.
        if b != 0:
            return 0., c/b+0.
        else:
            return 0., f/e+0.
    elif b==0 and e==0:
        if a != 0:
            return 0., d/a+0.
        else:
            return 0., a/d+0.

    if b == 0:
        a, d = d, a
        b, e = e, b
        c, f = f, c
    g = e / b
    x = (g*c - f) / (g*a - d)
    y = (c - a*x) / b
    return x+0., y+0.

def main():
    for line in sys.stdin:
        a,b,c,d,e,f = map(float, line.split())
        x, y = solve_sim_equ(a, b, c, d, e, f)
        print('{0:.3f} {1:.3f}'.format(x,y))

if __name__ == '__main__':
    main()

Python: import sys
import random
for s in sys.stdin:
    a,b,c,d,e,f = map(float, s.split())
    x = (e*c-b*f)/(a*e-b*d)
    y = (a*f-d*c)/(a*e-b*d)
    print('{0:.3f} {1:.3f}'.format(x, y))

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: a,b,c,d,e,f = map(int,raw_input().split())
print (c*e-b*f)/(a*e-b*d),(a*f-c*d)/(a*e-b*d)

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

Python: while 1:
    try:
        a,b,c,d,e,f = map(float, input().split(" "))
        det = a*e-b*d
        x = (c*e-b*f)/det
        y = (a*f-c*d)/det
        if abs(x) < 0.0001:
            x = 0.0
        if abs(y) < 0.0001:
            y = 0.0
        print("{0:.3f}".format(x),"{0:.3f}".format(y))
    except:
        break

Python: # -*- coding: utf-8 -*-

import sys
import os


for s in sys.stdin:
    a, b, c, d, e, f = list(map(int, s.split()))

    delta = a * e - b * d
    x = 1 / delta * (e * c - b * f)
    y = 1 / delta * (-d * c + a * f)
    print('{:.3f} {:.3f}'.format(x, y))

Python: from decimal import Decimal, ROUND_HALF_UP, ROUND_HALF_EVEN
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)
      if x == -0:
         x = int(x)
      if y == -0:
         y = int(y)
      X = Decimal(x).quantize(Decimal('0.001'), rounding=ROUND_HALF_UP)
      Y = Decimal(y).quantize(Decimal('0.001'), rounding=ROUND_HALF_UP)
      print(f'{X:.3f} {Y:.3f}')
   except EOFError:
      break

Python: while(check):
    line = raw_input()
    s = line.rstrip().split()
    for i in range(6):
        s[i] = int(s[i])
    print (s[2]*s[4] - s[1]*s[5])/(s[0]*s[4] - s[1]*s[3]), (s[1]*s[5] - s[3]*s[2]) / (s[0]*s[4] - s[1]*s[3])

Python: #!/usr/bin/env python3
import sys


def Print(array):
    for r in range(len(array)):
        print(array[r])
    print()


def Gauss(array):
    # for r in range(len(array)):
    #     array[r].append(r)

    for r in range(len(array)):
        # array.sort(key=lambda x: x[r], reverse=True)
        div = array[r][r]
        for c in range(r, len(array) + 1):
            array[r][c] /= div
        for r2 in range(r + 1, len(array)):
            head = array[r2][r]
            for c in range(r, len(array) + 1):
                array[r2][c] -= head * array[r][c]

    result = [0] * len(array)
    for r in range(len(array) - 1, -1, -1):
        result[r] = array[r][
            len(array)] - sum([result[x] * array[r][x] for x in range(r + 1, len(array))])
    return result


for line in sys.stdin:
    [a, b, c, d, e, f] = [int(x) for x in line.split()]
    result = Gauss([[a, b, c], [d, e, f]])
    for i in range(len(result) - 1):
        print("{0:.3f}".format(result[i]), end=" ")
    print("{0:.3f}".format(result[-1]))

Python: t = 0
while t == 0:	
	try:
		a,b,e,c,d,f = [int(i) for i in input().split()]
	except:
		break
	else:
		x = (d*e - b*f) / (a*d - b*c)
		y = (a*f - c*e) / (a*d - b*c)
		print("{0:.3f}".format(x) + "  " + "{0:.3f}".format(y))

Python: import sys
from decimal import Decimal

def main():
    for input_line in sys.stdin:
        x1 = int(input_line.split(' ')[0])
        y1 = int(input_line.split(' ')[1])
        p = int(input_line.split(' ')[2])
        x2 = int(input_line.split(' ')[3])
        y2 = int(input_line.split(' ')[4])
        q = int(input_line.split(' ')[5])
        multiplicand1, multiplicand2 = calculate1(x1, x2)
        after_y1, after_y2, after_p, after_q = calculate2(y1, y2, p, q, multiplicand1, multiplicand2)
        calculate3(after_y1, after_y2, after_p, after_q, x1, y1, p)
    
def calculate1(x1, x2):
    if (x1 >= 0 and x2 >= 0) or (x1 < 0 and x2 < 0):
        multiplicand1 = -x2
        multiplicand2 = x1
        return multiplicand1, multiplicand2
    else:
        multiplicand1 = abs(x2)
        multiplicand2 = abs(x1)
        return multiplicand1, multiplicand2
    
def calculate2(y1, y2, p, q, multiplicand1, multiplicand2):
    after_y1 = Decimal(y1 * multiplicand1)
    after_y2 = Decimal(y2 * multiplicand2)
    after_p = Decimal(p * multiplicand1)
    after_q = Decimal(q * multiplicand2)
    return after_y1, after_y2, after_p, after_q

def calculate3(after_y1, after_y2, after_p, after_q, x1, y1, p):
    y = Decimal(after_p + after_q) / Decimal(after_y1 + after_y2)
    y = round(y, 3)
    x = Decimal(p - y1 * y) / Decimal(x1)
    x = round(x, 3)
    print('%.3f %.3f' % (x, y))
    
if __name__ == '__main__':
    main()

Python: while 1:
    i = input().split()
    if i ==0:
        break
    else:
        a, b, c, d, e, f = map(float, i)
        x = (e*c - b*f)/(e*a - b*d)
        y = (c*d - f*a)/(d*b - e *a)

        print(x,y)

Python: for i in range(1,100000000):
    try:
        a,b,c,d,e,f=map(int,input().split())
        y=(a*f-d*c)/(e*a-b*d)
        x=(c-b*y)/a
        print(f'{x:.3f} {y:.3f}')
    except EOFError:
        break

Python: import sys
l=[[int(i) for i in l.split()] for l in sys.stdin]
for i in l:
    a,b,c,d,e,f=i
    x=round((c*e-b*f)/(a*e-b*d),3)
    y=round((c*d-a*f)/(b*d-a*e),3)
    if x==0:
        x=0
    if y==0:
        y=0
    print("{:.3f} {:.3f}".format(x,y))

Python: import sys

def mul4(v1, v2, v3, v4):
    return (v1 * v2) - (v3 * v4)

for i in sys.stdin:
    a, b, e, c, d, f = tuple(map(float, i.split()))
    det = mul4(a, d, c, b)
    print("{:.3f} {:.3f}".format(
        mul4(d, e, b, f) / det or 0.0,
        -mul4(c, e, a, f) / det or 0.0)
    )