x/21=0.5 - solution

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Solution for x/21=0.5 equation:

x in (-oo:+oo)

x/21 = 0.5 // - 0.5

x/21-0.5 = 0

1/21*x-0.5 = 0 // + 0.5

1/21*x = 0.5 // : 1/21

x = 0.5/1/21

x = 10.49999948

x = 10.49999948

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