X/3=20/21

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Solution for X/3=20/21 equation: 


X in (-oo:+oo)

X/3 = 20/21 // - 20/21

X/3-(20/21) = 0

X/3-20/21 = 0

1/3*X-20/21 = 0 // + 20/21

1/3*X = 20/21 // : 1/3

X = 20/21/1/3

X = 20/7

X = 20/7

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