Respostas

2013-11-28T15:26:28-02:00
2(x-6)+(-x+1)=-5(2+x)
2x-12-x+1=-10-5x
2x+5x-x=-10+12-1
6x=1
x=1/6
2013-11-28T16:00:35-02:00
2 (x - 6) + (- x + 1) = - 5 (2 + x)
2x - 12 - x + 1 = - 10 - 5x
2x - x + 5x = - 10 + 12 - 1
6x = 1
x = 1/6
1 5 1