20=-5(m-10)

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Solution for 20=-5(m-10) equation: 



20=-5(m-10)

We move all terms to the left:

20-(-5(m-10))=0



We calculate terms in parentheses: -(-5(m-10)), so:

-5(m-10)

We multiply parentheses

-5m+50

Back to the equation:

-(-5m+50)



We get rid of parentheses

5m-50+20=0

We add all the numbers together, and all the variables

5m-30=0

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

5m=30

m=30/5

m=6

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