F/7=3

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Solution for F/7=3 equation: 


F in (-oo:+oo)

F/7 = 3 // - 3

F/7-3 = 0

1/7*F-3 = 0 // + 3

1/7*F = 3 // : 1/7

F = 3/1/7

F = 21

F = 21

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