9z-20=61

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Solution for 9z-20=61 equation: 



9z-20=61

We move all terms to the left:

9z-20-(61)=0

We add all the numbers together, and all the variables

9z-81=0

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

9z=81

z=81/9

z=9

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