21/2x=10 - solution

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Solution for 21/2x=10 equation:

x in (-oo:+oo)

(21/2)*x = 10 // - 10

(21/2)*x-10 = 0

21/2*x-10 = 0 // + 10

21/2*x = 10 // : 21/2

x = 10/21/2

x = 20/21

x = 20/21

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