Answer:
3x-4x7
Step-by-step explanation:
AZ=8
AB=16
3x-4=2x
-4=-x
x=4
3x-4
3(4) - 4
12-4
8
shown
This is the link to the same question i think with a answer, im not good at these types of math but hopefully this helps you guys out! brainly.com/question/13982030