7(m+3)=-10(-m+3)

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



7(m+3)=-10(-m+3)

We move all terms to the left:

7(m+3)-(-10(-m+3))=0

We add all the numbers together, and all the variables

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

We multiply parentheses

7m-(-10(-1m+3))+21=0



We calculate terms in parentheses: -(-10(-1m+3)), so:

-10(-1m+3)

We multiply parentheses

10m-30

Back to the equation:

-(10m-30)



We get rid of parentheses

7m-10m+30+21=0

We add all the numbers together, and all the variables

-3m+51=0

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

-3m=-51

m=-51/-3

m=+17

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