-7(m-3)=-7(m-3)

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



-7(m-3)=-7(m-3)

We move all terms to the left:

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

We multiply parentheses

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



We calculate terms in parentheses: -(-7(m-3)), so:

-7(m-3)

We multiply parentheses

-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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