100+20=-3m-3(-4+8m)

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Solution for 100+20=-3m-3(-4+8m) equation: 



100+20=-3m-3(-4+8m)

We move all terms to the left:

100+20-(-3m-3(-4+8m))=0

We add all the numbers together, and all the variables

-(-3m-3(8m-4))+100+20=0

We add all the numbers together, and all the variables

-(-3m-3(8m-4))+120=0



We calculate terms in parentheses: -(-3m-3(8m-4)), so:

-3m-3(8m-4)

We multiply parentheses

-3m-24m+12

We add all the numbers together, and all the variables

-27m+12

Back to the equation:

-(-27m+12)



We get rid of parentheses

27m-12+120=0

We add all the numbers together, and all the variables

27m+108=0

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

27m=-108

m=-108/27

m=-4

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