72-7z=4(z-4)

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Solution for 72-7z=4(z-4) equation: 



72-7z=4(z-4)

We move all terms to the left:

72-7z-(4(z-4))=0



We calculate terms in parentheses: -(4(z-4)), so:

4(z-4)

We multiply parentheses

4z-16

Back to the equation:

-(4z-16)



We get rid of parentheses

-7z-4z+16+72=0

We add all the numbers together, and all the variables

-11z+88=0

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

-11z=-88

z=-88/-11

z=+8

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