Answer :
Combine the like terms:
3y-7y=-4y
-4y+8=11
subtract 8 on both sides of the equation
-4y=3
divide both sides of 4
y=-3/4
3y-7y=-4y
-4y+8=11
subtract 8 on both sides of the equation
-4y=3
divide both sides of 4
y=-3/4