7(m+3)=9-(-7m-12)

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Solution for 7(m+3)=9-(-7m-12) equation: 



7(m+3)=9-(-7m-12)

We move all terms to the left:

7(m+3)-(9-(-7m-12))=0

We multiply parentheses

7m-(9-(-7m-12))+21=0



We calculate terms in parentheses: -(9-(-7m-12)), so:

9-(-7m-12)

determiningTheFunctionDomain
-(-7m-12)+9

We get rid of parentheses

7m+12+9

We add all the numbers together, and all the variables

7m+21

Back to the equation:

-(7m+21)



We get rid of parentheses

7m-7m-21+21=0

We add all the numbers together, and all the variables

=0

m=0/1

m=0

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