Answer
a=7/4 or a=−8/3
Work Step by Step
If a product is 0, one of the factors must be 0.
Use the addition property of equality and the multiplication property of equality to solve for a.
4a−7=0 or 3a+8=0
4a−7+7=0+7 or 3a+8−8=0−8
4a=7 or 3a=−8
4a÷4=7÷4 or 3a÷3=−8÷3
a=7/4 or a=−8/3
