Respostas

2013-09-25T15:36:53-03:00
Junta os termos equivalentes.
2x + 4x = 10 + 8
6x = 18
x = 18/6
x = 3
2013-09-25T15:37:44-03:00
2x - 8 = - 4x + 10
2x + 4x = 10 + 8
6x = 18
x = 18/6
x = 3