14n-21/7 - solution

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Solution for 14n-21/7 equation:

n in (-oo:+oo)

14*n-(21/7) = 0

14*n-3 = 0

14*n-3 = 0 // + 3

14*n = 3 // : 14

n = 3/14

n = 3/14

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