Respostas

2014-08-25T19:16:38-03:00
2-(1-x)+1=3(x-3)-2x -2+2x+1=3x-9-2x
2x+2x-3x=1-9
x=-8

Espero ter ajudado!
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2014-08-25T19:16:58-03:00
2-(1-x)+1=3(x-3)-2x
2-1+x+1=3x-9-2x
x-3x+2x=-9-2+1-1
x=11
Bjus espero ter ajudado

1 5 1