Question

F(x) = 2(x + 6), find x if f(x) = 22

Answer 1

   F(x) = 2(x + 6)      Plug in 22 for x
F(22) = 2(22 + 6)    Use the Distributive Property
F(22) = 44 + 12       Add
F(22) = 56

Answer 2

F(x)=2(x+6)
22=2(x+6)
22=2x+12
2x=10
x=5