Question

13(y-4)-3(y-9)-5y(+4)=0

Answer 1

13y-52 -3y-27-20y=0
-7y-79=0
y=79/-7

Answer 2

13(y-4)-3(y-9)-5y(+4)=0
13y-52-3y+27-20y =0
13y-3y-20y=52-27
-10y=25
y=25/-10
Y= -5/2

Hope it helps