7z-21=27

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Solution for 7z-21=27 equation: 



7z-21=27

We move all terms to the left:

7z-21-(27)=0

We add all the numbers together, and all the variables

7z-48=0

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

7z=48

z=48/7

z=6+6/7

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