9(2x-1)=81

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Solution for 9(2x-1)=81 equation: 



9(2x-1)=81

We move all terms to the left:

9(2x-1)-(81)=0

We multiply parentheses

18x-9-81=0

We add all the numbers together, and all the variables

18x-90=0

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

18x=90

x=90/18

x=5

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