2x/21=2/7

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Solution for 2x/21=2/7 equation: 


x in (-oo:+oo)

(2*x)/21 = 2/7 // - 2/7

(2*x)/21-(2/7) = 0

(2*x)/21-2/7 = 0

2/21*x-2/7 = 0 // + 2/7

2/21*x = 2/7 // : 2/21

x = 2/7/2/21

x = 3

x = 3

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