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22r*2+69r=8
We simplify the equation to the form, which is simple to understand
22r*2+69r=8
Simplifying:
+44r+69r=8
We move all terms containing r to the left and all other terms to the right.
+44r+69r=+8
We simplify left and right side of the equation.
+113r=+8
We divide both sides of the equation by 113 to get r.
r=0.070796460177
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