Answer:
Step-by-step explanation:9m -3m +2n = 6m+2n
The greatest common factor 9 and 27 is 9.
The factors of 9 are 9, 3, 1. The factors of 27 are 27, 9, 3,
cube root on both sides then subtract 7
answer would be (cube rooted)A-7=Z if that makes sense