81=(3x-9)

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Solution for 81=(3x-9) equation:


81=(3x-9)

We simplify the equation to the form, which is simple to understand 
81=(3x-9)

Remove unnecessary parentheses
81=3x-9

We move all terms containing x to the left and all other terms to the right. 
-3x=-9-81

We simplify left and right side of the equation. 
-3x=-90

We divide both sides of the equation by -03 to get x. 
x=30

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