7x/15-1=20

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Solution for 7x/15-1=20 equation: 


x in (-oo:+oo)

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

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

7/15*x-21 = 0 // + 21

7/15*x = 21 // : 7/15

x = 21/7/15

x = 45

x = 45

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