12z=7z+z=18

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Solution for 12z=7z+z=18 equation: 



12z=7z+z=18

We move all terms to the left:

12z-(7z+z)=0

We add all the numbers together, and all the variables

12z-(+8z)=0

We get rid of parentheses

12z-8z=0

We add all the numbers together, and all the variables

4z=0

z=0/4

z=0

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