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80-x=90x-2
We simplify the equation to the form, which is simple to understand
80-x=90x-2
We move all terms containing x to the left and all other terms to the right.
-1x-90x=-2-80
We simplify left and right side of the equation.
-91x=-82
We divide both sides of the equation by -91 to get x.
x=0.901098901099
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