3/2y- y = 4+1/2y
NO SOLUTIONS EXIST FOR YOUR EQUATION. MAKE SURE IT IS WRITTEN RIGHT.
Assuming that we have :
(3/2)y- y = 4+(1/2)y simplify
(1/2)y = 4 + (1/2)y
And. as Guest said, there is no solution for this because 1/2 of something can't be the same as 1/2 of something and 4 added to it....!!!