Respostas

2014-05-27T12:45:15-03:00
4(x+6)-x=5x
4x+24-x=5x
3x+24=5x
24=5x-3x
24=2x
24/2=x
12=x
x=12

OK?
2014-05-27T12:46:04-03:00
4(x+6)-x=5x
4x + 24 -x = 5x
4x -x - 5x = -24
-2x = -24
x = -24/-2
x = 12

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