Hello from MrBillDoesMath!
Answer:
f(x) = 9x - 5
g(x) = -11x + 5
Discussion:
f(x) =
2x + 7x - 5 = (combine common terms, i.e. x terms)
(2x + 7x) -5 =
(2 + 7)x - 5
9x - 5
g(x) =
-8x -3x + 5 = (combine common terms, i.e. x terms)
(-8x - 3x) + 5 =
(-8 - 3)x + 5 =
= -11x + 5
Thank you,
MrB
