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5-1/2=r
We simplify the equation to the form, which is simple to understand
5-1/2=r
We move all terms containing r to the left and all other terms to the right.
-1r=-5 + 0.5
We simplify left and right side of the equation.
-1r=-4.5
We divide both sides of the equation by -01 to get r.
r=4.5
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