12+7(10+3m)=-5m-10(m-1)

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Solution for 12+7(10+3m)=-5m-10(m-1) equation: 



12+7(10+3m)=-5m-10(m-1)

We move all terms to the left:

12+7(10+3m)-(-5m-10(m-1))=0

We add all the numbers together, and all the variables

7(3m+10)-(-5m-10(m-1))+12=0

We multiply parentheses

21m-(-5m-10(m-1))+70+12=0



We calculate terms in parentheses: -(-5m-10(m-1)), so:

-5m-10(m-1)

We multiply parentheses

-5m-10m+10

We add all the numbers together, and all the variables

-15m+10

Back to the equation:

-(-15m+10)



We add all the numbers together, and all the variables

21m-(-15m+10)+82=0

We get rid of parentheses

21m+15m-10+82=0

We add all the numbers together, and all the variables

36m+72=0

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

36m=-72

m=-72/36

m=-2

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