Respostas

2014-01-28T18:42:14-02:00
4/3-x+7=3/4+x+10=-3/4( mmc)

4/3+x+7-3/4+x+10=-3/4 mmc-12x-120=98
-(9+12x+120=9
(-9-12x-120=9
-12x-120=
-12x=108
 x=-12
24+144+84-12x=98


24+144+84-12x=98
252/-12=x
 x=-21
-21-12=-36
2014-01-28T19:38:21-02:00
4/3(x+7) -3/4(x+10)=-3/4
4x/3 +28/3 -3x/4 -30/4= - 3/4  mmc=12
16x +112 -9x -90=-9
16x -9x = -9 +90 -112
7x=-13
x=-13/7