x/5-21

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Solution for x/5-21 equation:


x in (-oo:+oo)

x/5-2 > 1 // - 1

x/5-2-1 > 0

1/5*x-3 > 0 // + 3

1/5*x > 3 // : 1/5

x > 3/1/5

x > 15

x in (15:+oo)

(15:+oo)

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