Solve for w using the following expression

Question

1/2 (3/8 w + 8) = 7

This is 7th grade math

Answer 1

(1/2)((3/8)w + 8) = 7, multiply both sides by 2

(3/8)w + 8 = 14, subtract 8 from both sides

(3/8)w = 14-8 = 6

multiply both sides by 8/3

w = 6(8/3) = 16

w = 16