1. -2y+3/2=8 Given
2. -2y=8-3/2=13/2 Subtraction property of equality and simple subtraction of 3/2 from 8
3. -y=13/4 Division property of equality—divide each side by 2
4. y=-13/4 Multiplication property of equality—multiply each side by -1. This is what we were asked to prove in the if...then conditional statement.