Answer
$y=-5$
Work Step by Step
We are given the equation $4y-3=7y+12$. We can solve by first adding 3 to both sides.
$4y-3+3=7y+12+3$
$4y=7y+15$
Subtract 7y from both sides.
$4y-7y=7y-7y+15$
$-3y=15$
Divide both sides by -3.
$y=-5$