Respostas

2013-09-10T06:18:55-03:00
Tem que isolar o x:
4x -6 = 22
4x = 22 + 6 = 28
4x = 28
X = 28/4 = 7

Abs
2013-09-10T06:46:35-03:00
4x - 6 = 22
4x = 22 + 6
4x = 28
x = 28/4
x = 7