7z-10=6z+7z+20

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Solution for 7z-10=6z+7z+20 equation: 



7z-10=6z+7z+20

We move all terms to the left:

7z-10-(6z+7z+20)=0

We add all the numbers together, and all the variables

7z-(13z+20)-10=0

We get rid of parentheses

7z-13z-20-10=0

We add all the numbers together, and all the variables

-6z-30=0

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

-6z=30

z=30/-6

z=-5

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