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5r+62r=7r-10
We simplify the equation to the form, which is simple to understand
5r+62r=7r-10
We move all terms containing r to the left and all other terms to the right.
+5r+62r-7r=-10
We simplify left and right side of the equation.
+60r=-10
We divide both sides of the equation by 60 to get r.
r=-0.166666666667
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