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

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



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

We move all terms to the left:

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

We add all the numbers together, and all the variables

-1m-(-2(3m-4)-3)-20=0



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

-2(3m-4)-3

We multiply parentheses

-6m+8-3

We add all the numbers together, and all the variables

-6m+5

Back to the equation:

-(-6m+5)



We get rid of parentheses

-1m+6m-5-20=0

We add all the numbers together, and all the variables

5m-25=0

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

5m=25

m=25/5

m=5

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