8-m=-4(2m+5)

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Solution for 8-m=-4(2m+5) equation: 



8-m=-4(2m+5)

We move all terms to the left:

8-m-(-4(2m+5))=0

We add all the numbers together, and all the variables

-1m-(-4(2m+5))+8=0



We calculate terms in parentheses: -(-4(2m+5)), so:

-4(2m+5)

We multiply parentheses

-8m-20

Back to the equation:

-(-8m-20)



We get rid of parentheses

-1m+8m+20+8=0

We add all the numbers together, and all the variables

7m+28=0

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

7m=-28

m=-28/7

m=-4

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