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-18.5=5+6.5(r+2)
We simplify the equation to the form, which is simple to understand
-18.5=5+6.5(r+2)
Reorder the terms in parentheses
-18.5=5+(+6.5r+13)
Remove unnecessary parentheses
-18.5=+5+6.5r+13
We move all terms containing r to the left and all other terms to the right.
-6.5r=+5+13+18.5
We simplify left and right side of the equation.
-6.5r=+36.5
We divide both sides of the equation by -06.5 to get r.
r=-5.61538461538
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