7n/3=21

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Solution for 7n/3=21 equation: 


n in (-oo:+oo)

(7*n)/3 = 21 // - 21

(7*n)/3-21 = 0

7/3*n-21 = 0 // + 21

7/3*n = 21 // : 7/3

n = 21/7/3

n = 9

n = 9

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