30=9(7z+6)

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Solution for 30=9(7z+6) equation: 



30=9(7z+6)

We move all terms to the left:

30-(9(7z+6))=0



We calculate terms in parentheses: -(9(7z+6)), so:

9(7z+6)

We multiply parentheses

63z+54

Back to the equation:

-(63z+54)



We get rid of parentheses

-63z-54+30=0

We add all the numbers together, and all the variables

-63z-24=0

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

-63z=24

z=24/-63

z=-8/21

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