8m-40=4(m-7)

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Solution for 8m-40=4(m-7) equation: 



8m-40=4(m-7)

We move all terms to the left:

8m-40-(4(m-7))=0



We calculate terms in parentheses: -(4(m-7)), so:

4(m-7)

We multiply parentheses

4m-28

Back to the equation:

-(4m-28)



We get rid of parentheses

8m-4m+28-40=0

We add all the numbers together, and all the variables

4m-12=0

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

4m=12

m=12/4

m=3

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