algebra 1

you spend $13 to rent five movies for the weekend. since new releases rent for $3 and regular movies rent for $2, how many ragular movies did you buy?

So far i have the equation $3n+$2r=$13
(n=new release, and r=regular)
can anyone give me a clue as to what the second equation might be, or how i could find it?

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  1. 3n + 2r = 13 is correct.
    You are also told that
    n + r = 5.
    Therefore
    3(5-r) + 2r = 13
    15 -r = 13
    r = 2
    n = 3

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  2. this was 2008... dang

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