add 5m-7-6m+9n,2m-5 please tell me fast
Answers
Answered by
1
Answer:
1m-12+9n
Step-by-step explanation:
5m-7-6m+9n+2m-5
=1m-12+9n
Answered by
1
Step-by-step explanation:
5m-7-6m+9n + 2m-5
5m+2m-6m-7-5+9n
m-12+9n
9n+m-12
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