Answer: y=4
Step-by-step explanation:
-7y-4=8y-64
-7y-4+4=8y-64+4
-7y=8y-60
-7y-8y=8y-60-8y
-15y= -60
[tex]\frac{-15y}{-15}[/tex] =[tex]\frac{-60}{-15}[/tex]
y=4
