21/5-X=3

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Solution for 21/5-X=3 equation: 


X in (-oo:+oo)

21/5-X = 3 // - 3

21/5-X-3 = 0

6/5-X = 0 // - 6/5

-X = -6/5 // * -1

X = 6/5

X = 6/5

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