Respostas

2014-03-22T16:43:14-03:00
6-2(3x-3)=2(2x+5)-4(3x-1)
6-6x+6=4x+10-12x+4
-6x+12= -8x+8
2x=-4
x=-2
2014-03-22T16:55:26-03:00
6-6x+6=4x+10-12x+4
-6x+12=-8x+14
2x=2
x=1