-2z+3z=9z+7+7z

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Solution for -2z+3z=9z+7+7z equation: 



-2z+3z=9z+7+7z

We move all terms to the left:

-2z+3z-(9z+7+7z)=0

We add all the numbers together, and all the variables

-2z+3z-(16z+7)=0

We add all the numbers together, and all the variables

z-(16z+7)=0

We get rid of parentheses

z-16z-7=0

We add all the numbers together, and all the variables

-15z-7=0

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

-15z=7

z=7/-15

z=-7/15

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