Answer:

Step-by-step explanation:
Hi there!

Replace all x's with a-1:

I hope this helps!
SERIOUSLY?!?!?! the anser is the second one there are noe letters so b
Answer:
the answer is 93.6
Step-by-step explanation:
Answer:
The measure of the angles in degree is 57.5 degrees
Step-by-step explanation:
If two angles are congruent, they are equal in value
Let the number be x
2x + 3 = 3x-54.5
Thus;
3x-2x = 54.5 + 3
x = 57.5