Respuesta :

mreijepatmat
f(x) = 2(x+6). If f(x) = 22, that means replace f(x) with 22
22  = 2(x+6) or
22 = 2x + 12 . Now solve this equation with the variable x:

2x = 22 - 12

2x = 10

x = 5 (Answer B)

Just took the test and the answer is b :)