3/7x=1/21

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Solution for 3/7x=1/21 equation: 


x in (-oo:+oo)

(3/7)*x = 1/21 // - 1/21

(3/7)*x-(1/21) = 0

(3/7)*x-1/21 = 0

3/7*x-1/21 = 0 // + 1/21

3/7*x = 1/21 // : 3/7

x = 1/21/3/7

x = 1/9

x = 1/9

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