Question

3y-2y+7= -8+9-13y ajuda por favor

Answer 1

y+7=1-13y
y+13y=-7+1
14y=6
y=-6/14
y=-0,42

     

Answer 2

3y-2y+7=-8+9-13y
3y-2y+13y=-8+9-7
14y=-6
y=-6:2/14:2
y=-3/7