42=4(m-3)+2(2m-3)

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Solution for 42=4(m-3)+2(2m-3) equation: 



42=4(m-3)+2(2m-3)

We move all terms to the left:

42-(4(m-3)+2(2m-3))=0



We calculate terms in parentheses: -(4(m-3)+2(2m-3)), so:

4(m-3)+2(2m-3)

We multiply parentheses

4m+4m-12-6

We add all the numbers together, and all the variables

8m-18

Back to the equation:

-(8m-18)



We get rid of parentheses

-8m+18+42=0

We add all the numbers together, and all the variables

-8m+60=0

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

-8m=-60

m=-60/-8

m=7+1/2

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