Respostas

2014-08-27T21:12:20-03:00
2y= 5-43 
2y= -38
y= -19
2 5 2
A melhor resposta!
2014-08-27T21:13:10-03:00
2y+43=5
2y=5-43
2y=-38
y=-38/2
y=-19
2 5 2