P = k + m + n
P - k = m + n
P - k - n = m
m = P - k - n
Answer:
2x + 3
Step-by-step explanation:
Step 1:
- ( 7z - 6 ) + 9z - 3
Step 2:
- 7z + 6 + 9z - 3
Step 3:
2z + 6 - 3
Hope This Helps :)
34 inches.
90