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.55xx-3x-.81=0
We simplify the equation to the form, which is simple to understand
.55x-3x-.81=0
We move all terms containing x to the left and all other terms to the right.
+ 0.55x-3x=0 + 0.81
We simplify left and right side of the equation.
-2.45x=0.81
We divide both sides of the equation by -2.45 to get x.
x=-0.330612244898
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