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-13=5(1+4m)-2m

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 -13=5(1+4m)-2m

 Oct 18, 2016

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-13=5(1+4m)-2m

-13 = 5 + 20m -2m

-13 -5 = 5 +18m -5

-18 = 18m

-1 = m

 Oct 18, 2016

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