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300x-.35=500x+.87
We simplify the equation to the form, which is simple to understand
300x-.35=500x+.87
We move all terms containing x to the left and all other terms to the right.
+300x-500x=0.87 + 0.35
We simplify left and right side of the equation.
-200x=+1.22
We divide both sides of the equation by -200 to get x.
x=-0.0061
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