Answer:
x = 20
Step-by-step explanation:
we are given the value of f(x), replace it in the first equation
15 = x - 5
solve for x by adding 5 on both sides
15 + 5 = x
20 = x or x = 20
-- #34 is choice-C .
-- See the picture attached to this answer, for both solutions.
I believe the answer is C, x-3.
Answer:
B
Step-by-step explanation: