15n-4mn is the answer for this
Step-by-step explanation:
(mn+7n)+(8n-5mn)
mn+7n+8n-5mn
-4mn+15n
i think this answer is right maybe check it
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Answers & Comments
15n-4mn is the answer for this
Step-by-step explanation:
(mn+7n)+(8n-5mn)
mn+7n+8n-5mn
-4mn+15n
i think this answer is right maybe check it