9/20=x/31

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Solution for 9/20=x/31 equation: 


x in (-oo:+oo)

9/20 = x/31 // - x/31

9/20-(x/31) = 0

9/20-1/31*x = 0 // - 9/20

-1/31*x = -9/20 // : -1/31

x = -9/20/(-1/31)

x = 279/20

x = 279/20

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