-9-7z=-2-7z

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Solution for -9-7z=-2-7z equation: 



-9-7z=-2-7z

We move all terms to the left:

-9-7z-(-2-7z)=0

We add all the numbers together, and all the variables

-7z-(-7z-2)-9=0

We get rid of parentheses

-7z+7z+2-9=0

We add all the numbers together, and all the variables

-7!=0

There is no solution for this equation

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