Menyelesaikan 5 3 Q.NO.9 . Add the foll 3mn, 5mn, 8mn, - 4mn | Equatix - Math Solver

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Example

3(r+2s)=2t-4

a⋅(b-2)=3b

3(r+2s)=2t-4

a⋅(b-2)=3b

Question

$$3 m n , - 5 m n , 8 m n , - 4 m n$$