Respostas

2014-08-30T09:58:37-03:00
8x = x + 35
8x - x = 35
7x = 35
x = 35:7
x = 5
1 3 1
2014-08-30T09:58:49-03:00
8x-x=35 
7x=35 
x=35/7 
x=5 
1 4 1