7-z=z-8

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Solution for 7-z=z-8 equation: 



7-z=z-8

We move all terms to the left:

7-z-(z-8)=0

We add all the numbers together, and all the variables

-1z-(z-8)+7=0

We get rid of parentheses

-1z-z+8+7=0

We add all the numbers together, and all the variables

-2z+15=0

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

-2z=-15

z=-15/-2

z=7+1/2

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