13x/15-1=20 - solution

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Solution for 13x/15-1=20 equation:

x in (-oo:+oo)

(13*x)/15-1 = 20 // - 20

(13*x)/15-20-1 = 0

13/15*x-21 = 0 // + 21

13/15*x = 21 // : 13/15

x = 21/13/15

x = 315/13

x = 315/13

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