Answer:
they are not congruent
Step-by-step explanation:
the markings and angle don't match up to the same sides. the answer is most likely f, not enough information.
Let's start by moving all like terms to their own sides:
-18 = -3x + 6
3x = 6 + 18
3x = 24
x = 8
-6
PLEASE GIVE BRAINLIEST