-6z-42=-12+9z

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Solution for -6z-42=-12+9z equation: 



-6z-42=-12+9z

We move all terms to the left:

-6z-42-(-12+9z)=0

We add all the numbers together, and all the variables

-6z-(9z-12)-42=0

We get rid of parentheses

-6z-9z+12-42=0

We add all the numbers together, and all the variables

-15z-30=0

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

-15z=30

z=30/-15

z=-2

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