a/-7=3

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Solution for a/-7=3 equation: 


a in (-oo:+oo)

a/(-7) = 3 // - 3

a/(-7)-3 = 0

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

-1/7*a = 3 // : -1/7

a = 3/(-1/7)

a = -21

a = -21

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