18/2=81/x

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Solution for 18/2=81/x equation:


18/2=81/x

We simplify the equation to the form, which is simple to understand 
18/2=81/x

We move all terms containing x to the left and all other terms to the right. 
-1x=-9

We simplify left and right side of the equation. 
-1x=-9

We divide both sides of the equation by -01 to get x. 
x=9

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