Answer:
b = 16
Step-by-step explanation:
–12 = 4(b − 15) − 16
Add 16 to each side
–12+16 = 4(b − 15) − 16+16
4 = 4 (b-15)
Divide each side by 4
4/4 = 4(b-15)
1 = b-15
Add 15 to each side
1+15 = b-15+15
16 = b
b= 16
