9(z-81)=81

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Solution for 9(z-81)=81 equation:



9(z-81)=81
We move all terms to the left:
9(z-81)-(81)=0
We multiply parentheses
9z-729-81=0
We add all the numbers together, and all the variables
9z-810=0
We move all terms containing z to the left, all other terms to the right
9z=810
z=810/9
z=90

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