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-2/3=r/6
We simplify the equation to the form, which is simple to understand
-2/3=r/6
We move all terms containing r to the left and all other terms to the right.
-0.16666666666667r=0.66666666666667
We simplify left and right side of the equation.
-0.16666666666667r=0.66666666666667
We divide both sides of the equation by -00.16666666666667 to get r.
r=-3.9999999999999
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