7z-10-8=9+4z

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Solution for 7z-10-8=9+4z equation: 



7z-10-8=9+4z

We move all terms to the left:

7z-10-8-(9+4z)=0

We add all the numbers together, and all the variables

7z-(4z+9)-10-8=0

We add all the numbers together, and all the variables

7z-(4z+9)-18=0

We get rid of parentheses

7z-4z-9-18=0

We add all the numbers together, and all the variables

3z-27=0

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

3z=27

z=27/3

z=9

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