(5x/9)=(5/21)

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Solution for (5x/9)=(5/21) equation: 


x in (-oo:+oo)

(5*x)/9 = 5/21 // - 5/21

(5*x)/9-(5/21) = 0

(5*x)/9-5/21 = 0

5/9*x-5/21 = 0 // + 5/21

5/9*x = 5/21 // : 5/9

x = 5/21/5/9

x = 3/7

x = 3/7

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