30=-2(7m-1)+4(m+7)

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Solution for 30=-2(7m-1)+4(m+7) equation: 



30=-2(7m-1)+4(m+7)

We move all terms to the left:

30-(-2(7m-1)+4(m+7))=0



We calculate terms in parentheses: -(-2(7m-1)+4(m+7)), so:

-2(7m-1)+4(m+7)

We multiply parentheses

-14m+4m+2+28

We add all the numbers together, and all the variables

-10m+30

Back to the equation:

-(-10m+30)



We get rid of parentheses

10m-30+30=0

We add all the numbers together, and all the variables

10m=0

m=0/10

m=0

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