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16=r(8)
We simplify the equation to the form, which is simple to understand
16=r(8)
Reorder the terms in parentheses
16=+(+8r)
Remove unnecessary parentheses
+16=+8r
We move all terms containing r to the left and all other terms to the right.
-8r=-16
We simplify left and right side of the equation.
-8r=-16
We divide both sides of the equation by -08 to get r.
r=2
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