9z-z=-3+2z-3-6

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Solution for 9z-z=-3+2z-3-6 equation: 



9z-z=-3+2z-3-6

We move all terms to the left:

9z-z-(-3+2z-3-6)=0

We add all the numbers together, and all the variables

9z-z-(2z-12)=0

We add all the numbers together, and all the variables

8z-(2z-12)=0

We get rid of parentheses

8z-2z+12=0

We add all the numbers together, and all the variables

6z+12=0

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

6z=-12

z=-12/6

z=-2

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