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12=.50x-8
We simplify the equation to the form, which is simple to understand
12=.50x-8
We move all terms containing x to the left and all other terms to the right.
-0.5x=-8-12
We simplify left and right side of the equation.
-0.5x=-20
We divide both sides of the equation by -00.5 to get x.
x=40
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