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r/5-8=3
We simplify the equation to the form, which is simple to understand
r/5-8=3
We move all terms containing r to the left and all other terms to the right.
+ 0.2r=+3+8
We simplify left and right side of the equation.
+ 0.2r=+11
We divide both sides of the equation by 0.2 to get r.
r=55
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