72=7(z-3)

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Solution for 72=7(z-3) equation: 



72=7(z-3)

We move all terms to the left:

72-(7(z-3))=0



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

7(z-3)

We multiply parentheses

7z-21

Back to the equation:

-(7z-21)



We get rid of parentheses

-7z+21+72=0

We add all the numbers together, and all the variables

-7z+93=0

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

-7z=-93

z=-93/-7

z=13+2/7

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