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-11r=-7r+3
We simplify the equation to the form, which is simple to understand
-11r=-7r+3
We move all terms containing r to the left and all other terms to the right.
-11r+7r=+3
We simplify left and right side of the equation.
-4r=+3
We divide both sides of the equation by -4 to get r.
r=-0.75
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