Answer:
1. 9m-7m
2. 6v+2
Step-by-step
Im pretty sure that the answer
1. 10m - 7n
2. 6v - 1
Explanation:
9m - 5n + m - 2n
10m - 7n ( combine like terms).
2. - 1 v + 7v - 1
6v - 1 (combine like terms)
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