40-7m=8(m-4)

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



40-7m=8(m-4)

We move all terms to the left:

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



We calculate terms in parentheses: -(8(m-4)), so:

8(m-4)

We multiply parentheses

8m-32

Back to the equation:

-(8m-32)



We get rid of parentheses

-7m-8m+32+40=0

We add all the numbers together, and all the variables

-15m+72=0

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

-15m=-72

m=-72/-15

m=4+4/5

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