9z=-7+8z

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



9z=-7+8z

We move all terms to the left:

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

We add all the numbers together, and all the variables

9z-(8z-7)=0

We get rid of parentheses

9z-8z+7=0

We add all the numbers together, and all the variables

z+7=0

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

z=-7

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