Respostas

2014-05-29T13:59:51-03:00
Eu acho que é assim:
5x-8x+10=2x-8
5x-8x-2x=-10-8
-3x-2x=-18
-5x=-18 (-1)
5x=18
x=18/5
x=3,6
2014-05-29T14:08:12-03:00
5x-8x+10= 2x-8
5x-8x-2x=-10-8
-5x=-18
x=18/5
x=3.5