9(w-1)=81

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Solution for 9(w-1)=81 equation:



9(w-1)=81
We move all terms to the left:
9(w-1)-(81)=0
We multiply parentheses
9w-9-81=0
We add all the numbers together, and all the variables
9w-90=0
We move all terms containing w to the left, all other terms to the right
9w=90
w=90/9
w=10

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