Respostas

2014-02-18T14:18:39-03:00
2(x-1)+3(x-2)=2
2x-2+3x-6=2
2x+3x=2+6+2
5x=10
x=10/5=2
2014-02-18T14:48:42-03:00
2(X-1)+3(X-2)=2
2x-2+3X-6=2
5X=2+2+6
5X=10
X=10/5
X=2