-20+2m=4(m-3)

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Solution for -20+2m=4(m-3) equation: 



-20+2m=4(m-3)

We move all terms to the left:

-20+2m-(4(m-3))=0



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

4(m-3)

We multiply parentheses

4m-12

Back to the equation:

-(4m-12)



We get rid of parentheses

2m-4m+12-20=0

We add all the numbers together, and all the variables

-2m-8=0

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

-2m=8

m=8/-2

m=-4

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