7z+z=8

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Solution for 7z+z=8 equation: 



7z+z=8

We move all terms to the left:

7z+z-(8)=0

We add all the numbers together, and all the variables

8z-8=0

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

8z=8

z=8/8

z=1

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