SOLUTION: how do yu solve 9-2r =15

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Question 336418: how do yu solve 9-2r =15
Answer by jim_thompson5910(35256) About Me  (Show Source):
You can put this solution on YOUR website!

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=%286%29%2F%28-2%29 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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Jim