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(x+9)/18=12/72
We simplify the equation to the form, which is simple to understand
(x+9)/18=12/72
Reorder the terms in parentheses
( + 0.055555555555556x + 0.5)=0.16666666666667
Remove unnecessary parentheses
+ 0.055555555555556x + 0.5=0.16666666666667
We move all terms containing x to the left and all other terms to the right.
+ 0.055555555555556x=0.16666666666667-0.5
We simplify left and right side of the equation.
+ 0.055555555555556x=-0.33333333333333
We divide both sides of the equation by 0.055555555555556 to get x.
x=-6
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