7z-12=23

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Solution for 7z-12=23 equation: 



7z-12=23

We move all terms to the left:

7z-12-(23)=0

We add all the numbers together, and all the variables

7z-35=0

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

7z=35

z=35/7

z=5

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