7z-18=9+10

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Solution for 7z-18=9+10 equation: 



7z-18=9+10

We move all terms to the left:

7z-18-(9+10)=0

We add all the numbers together, and all the variables

7z-18-19=0

We add all the numbers together, and all the variables

7z-37=0

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

7z=37

z=37/7

z=5+2/7

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