9z-5z=3z-7+7z

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Solution for 9z-5z=3z-7+7z equation: 



9z-5z=3z-7+7z

We move all terms to the left:

9z-5z-(3z-7+7z)=0

We add all the numbers together, and all the variables

9z-5z-(10z-7)=0

We add all the numbers together, and all the variables

4z-(10z-7)=0

We get rid of parentheses

4z-10z+7=0

We add all the numbers together, and all the variables

-6z+7=0

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

-6z=-7

z=-7/-6

z=1+1/6

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