-6z-7z=2z-4+3z

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Solution for -6z-7z=2z-4+3z equation: 



-6z-7z=2z-4+3z

We move all terms to the left:

-6z-7z-(2z-4+3z)=0

We add all the numbers together, and all the variables

-6z-7z-(5z-4)=0

We add all the numbers together, and all the variables

-13z-(5z-4)=0

We get rid of parentheses

-13z-5z+4=0

We add all the numbers together, and all the variables

-18z+4=0

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

-18z=-4

z=-4/-18

z=2/9

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