Answer:
13.6
Step-by-step explanation:
Find the value of x by setting equal the expressions. Then solve for x.
8x + 16 = 3x + 84
8x - 3x + 16 = 84
5x = 68
x = 13.6
8^15 ÷ 1/8^3 = 8^15 x 8^3=8^18
