I WILL GIVE BRAINLIEST Simplify by combining like terms.
-3x − 9 + 15x
A.12x + 9
B.18x − 9
C.12x − 9
D. 3x

SHOW YOUR WORK PLZSSSSSSSSS

Respuesta :

Answer: The answer is 12x–9.

Step-by-step explanation: So to combine the like terms or simplify add –3x and 15x.