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r-8.7/3.7=3.722
We simplify the equation to the form, which is simple to understand
r-8.7/3.7=3.722
Simplifying:
r-2.35135135135=3.722
We move all terms containing r to the left and all other terms to the right.
+1r=+3.722+2.35135135135
We simplify left and right side of the equation.
+1r=+6.07335135135
We divide both sides of the equation by 1 to get r.
r=6.07335135135
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