2z-4-8z+9=10z-6-z-12

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Solution for 2z-4-8z+9=10z-6-z-12 equation: 



2z-4-8z+9=10z-6-z-12

We move all terms to the left:

2z-4-8z+9-(10z-6-z-12)=0

We add all the numbers together, and all the variables

2z-8z-(9z-18)-4+9=0

We add all the numbers together, and all the variables

-6z-(9z-18)+5=0

We get rid of parentheses

-6z-9z+18+5=0

We add all the numbers together, and all the variables

-15z+23=0

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

-15z=-23

z=-23/-15

z=1+8/15

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