Question

If x = 4, what is the value of the following expression?

12x + 9x - 2x
A.76
B.19
C.4
D.92

Answer 1

Option A, 76

Explanation:

Substitute x by 4 to the following expression :

12(4) + 9(4) - 2(4)

48 + 36 - 8

84 - 8

= 76