OpenStudy (anonymous):

Add: (5m+3n)+(4m-6n) A. 9m-3n B. 9m+3n C. 9m+9n D. 13mn

5 years ago
OpenStudy (anonymous):

A

5 years ago
OpenStudy (anonymous):

i hope u know y though

5 years ago
OpenStudy (anonymous):

collect like terms

5 years ago
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