If the expression x-3 has the value of -5, then which of the following represent the value of 3x-9?

Question

(1) -2

(2) -9

(3) -15

(4) -42

explain how you got that answer please

thank you for helping :)

Answer 1

x - 3 = -5

Solve for x:

x = -2

3x - 9 = 3(-2) - 9 = ____?