3+7z=8z+15

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Solution for 3+7z=8z+15 equation: 



3+7z=8z+15

We move all terms to the left:

3+7z-(8z+15)=0

We get rid of parentheses

7z-8z-15+3=0

We add all the numbers together, and all the variables

-1z-12=0

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

-z=12

z=12/-1

z=-12

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