Respostas

2013-08-24T14:13:56-03:00
5x-26=3x+4
5x - 3x = 4 + 26
2x = 30
x =  \frac{30}{2}
x = 15



2 5 2
2013-08-24T14:13:58-03:00
5x+26=3x+4
5x-3x=4+26
2x=30
x=30/2
x=15
2 4 2