5-m=3(m+7)

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Solution for 5-m=3(m+7) equation: 



5-m=3(m+7)

We move all terms to the left:

5-m-(3(m+7))=0

We add all the numbers together, and all the variables

-1m-(3(m+7))+5=0



We calculate terms in parentheses: -(3(m+7)), so:

3(m+7)

We multiply parentheses

3m+21

Back to the equation:

-(3m+21)



We get rid of parentheses

-1m-3m-21+5=0

We add all the numbers together, and all the variables

-4m-16=0

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

-4m=16

m=16/-4

m=-4

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