Respostas

2014-05-26T18:31:35-03:00
5x + 5 = 2x + 16
5x-2x = 16-5
3x = 11
x= 11/3
1 5 1
2014-05-26T18:38:53-03:00
5.(x+1) = 2.(x+8)
5x + 5 = 2x + 16
3x = 11
x =  11 
        3