Respostas

2014-09-03T10:24:08-03:00
5-5x-2x+1=-6-3x
-5x-2x+3x=-6-5-1
-7x+3x=-11-1
-4x=-12 (-1)
4x=12
x=12/4
x=3

5 4 5
2014-09-03T10:32:07-03:00
5 ( 1 - x ) - 2x + 1 = - 3 ( 2 + x )

5 - 5x - 2x + 1 = - 6 - 3x

- 5x - 2x + 3x = - 6 - 5 - 1

- 4x = - 12 . ( - 1 )

4x = 12

x = 12/4

x = 3



4 3 4