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 -0.3=r-20/10

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-0.3=r-20/10

r=?

 Feb 18, 2016

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 #1
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-0.3=r-20/10

r=?

 

-0.3=r - 2

-0.3 + 2 =r

r=1.7

 Feb 18, 2016

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