Question 14871
this is simple
first i would distribute the 4 so you get
     12y-4+13=5y=2
then i would simplify the left side
     12y+9=5y-2
then I would subtract 9 to both sides
     12y=5y-11
then i would subtract -5 to both sides
     7y=-11
divide by 7
y=-11/7