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6r+12=30r
We simplify the equation to the form, which is simple to understand
6r+12=30r
We move all terms containing r to the left and all other terms to the right.
+6r-30r=-12
We simplify left and right side of the equation.
-24r=-12
We divide both sides of the equation by -24 to get r.
r=0.5
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