Answer:
7y−8
hope this helps :)
1 + +17 18
______ = ___ = m
2 + -17 -15
The answer is, D. 20 inches
See below
Step-by-step explanation:
Many ways...
x+x-3
2x-6+3
5x-3x-3
(4x-6)/2
And the list goes on...
Your answer would be -13