7z-4=12=

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Solution for 7z-4=12= equation: 



7z-4=12=

We move all terms to the left:

7z-4-(12)=0

We add all the numbers together, and all the variables

7z-16=0

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

7z=16

z=16/7

z=2+2/7

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