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Mathematics 17 Online
OpenStudy (anonymous):

5 - 20 =

OpenStudy (anonymous):

-15

OpenStudy (anonymous):

5(1-4) = 5(-3) = -15

OpenStudy (anonymous):

solve it simply :::::::::: -(20-5) = -15 if u can not solve 5-20 then solve 20-5 and then put a negative sign to the difference that is -(15) = -15

OpenStudy (phi):

Here's a video that is helpful http://www.khanacademy.org/video/adding-subtracting-negative-numbers?playlist=Pre-algebra

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