Respostas

2014-08-20T22:10:13-03:00
10 x + 4 = 16x - 8
10x - 16x = -8 - 4
-6x = -12    x(-1)
6x = 12
x = 12/6
x = 2
2014-08-20T22:11:06-03:00
10x+4=16x-8
10x+4-16x+8=0
-6x+12=0
-6x=-12 (-1)
6x=12
x=12÷6
x=2