6/2=21n

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Solution for 6/2=21n equation: 


n in (-oo:+oo)

6/2 = 21*n // - 21*n

6/2-(21*n) = 0

6/2-21*n = 0

3-21*n = 0 // - 3

-21*n = -3 // : -21

n = -3/(-21)

n = 1/7

n = 1/7

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