Question 660275
x = the number

(4x + 7) - 3 = 8
4x + 4 = 8
4x + 4 - 4 = 8 - 4
4x = 4
4x/4 = 4/4
x = 1

Proof
(4)(1) = 4 + 7 = 11 - 3 = 8