Respostas

2013-11-10T17:58:32-02:00
4(x+2)=3(x-2)
4x+8=3x-6
4x-3x= -6-8
x= -14

2013-11-10T18:10:12-02:00
4(x+2)=3(x-2)
4x+8=3x-6
4x-3x= -6-8
x= -14