Respostas

2013-11-23T18:11:01-02:00
-6(s+4)=-5(s+2)
-6s-24=-5s-10
-6s+5s=-10+24
-s=14   (-1)
s=-14
2013-11-23T18:12:33-02:00
-6(s+4)= -5(s+2)
-6s-24=-5s-10
-6s+5s=- 10+24
-s=14
s= -14