7z+z=16

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Solution for 7z+z=16 equation: 



7z+z=16

We move all terms to the left:

7z+z-(16)=0

We add all the numbers together, and all the variables

8z-16=0

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

8z=16

z=16/8

z=2

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