7z+9=8z-2z

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Solution for 7z+9=8z-2z equation: 



7z+9=8z-2z

We move all terms to the left:

7z+9-(8z-2z)=0

We add all the numbers together, and all the variables

7z-(+6z)+9=0

We get rid of parentheses

7z-6z+9=0

We add all the numbers together, and all the variables

z+9=0

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

z=-9

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