19-21/2=x

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Solution for 19-21/2=x equation: 


x in (-oo:+oo)

19-(21/2) = x // - x

19-x-(21/2) = 0

19-x-21/2 = 0

17/2-x = 0 // - 17/2

-x = -17/2 // * -1

x = 17/2

x = 17/2

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