Question

qual e resp de y+2+2y=y+3.(y-1)

Answer 1

.
$y+2+2y=y+3.(y-1) \\ \\ y+2+2y=y+3y-3 \\ \\ y+2y-y-3y=-3-2 \\ \\ 3y-4y=-5 \\ \\ -y=-5 \\ \\ y=5$

Answer 2

 y+2+2y=y+3.(y-1)
3y = y + 3y - 3 - 2
4y - 3y = 2+3
    y = 5