9+2z=7(z-2)

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Solution for 9+2z=7(z-2) equation: 



9+2z=7(z-2)

We move all terms to the left:

9+2z-(7(z-2))=0



We calculate terms in parentheses: -(7(z-2)), so:

7(z-2)

We multiply parentheses

7z-14

Back to the equation:

-(7z-14)



We get rid of parentheses

2z-7z+14+9=0

We add all the numbers together, and all the variables

-5z+23=0

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

-5z=-23

z=-23/-5

z=4+3/5

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