78=-2(m+3)+mm=

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Solution for 78=-2(m+3)+mm= equation: 



78=-2(m+3)+mm=

We move all terms to the left:

78-(-2(m+3)+mm)=0



We calculate terms in parentheses: -(-2(m+3)+mm), so:

-2(m+3)+mm

We multiply parentheses

-2m+mm-6

Back to the equation:

-(-2m+mm-6)



We get rid of parentheses

2m-mm+6+78=0

We add all the numbers together, and all the variables

2m-mm+84=0

We move all terms containing m to the left, all other terms to the right

2m-mm=-84

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