3m+13=-m-(m+13)

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Solution for 3m+13=-m-(m+13) equation: 



3m+13=-m-(m+13)

We move all terms to the left:

3m+13-(-m-(m+13))=0



We calculate terms in parentheses: -(-m-(m+13)), so:

-m-(m+13)

We add all the numbers together, and all the variables

-1m-(m+13)

We get rid of parentheses

-1m-m-13

We add all the numbers together, and all the variables

-2m-13

Back to the equation:

-(-2m-13)



We get rid of parentheses

3m+2m+13+13=0

We add all the numbers together, and all the variables

5m+26=0

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

5m=-26

m=-26/5

m=-5+1/5

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