Question 336418


{{{9-2r=15}}} Start with the given equation.



{{{-2r=15-9}}} Subtract {{{9}}} from both sides.



{{{-2r=6}}} Combine like terms on the right side.



{{{r=(6)/(-2)}}} Divide both sides by {{{-2}}} to isolate {{{r}}}.



{{{r=-3}}} Reduce.



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Answer:


So the solution is {{{r=-3}}} 



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