x/-3=7

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Solution for x/-3=7 equation: 


x in (-oo:+oo)

x/(-3) = 7 // - 7

x/(-3)-7 = 0

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

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

x = 7/(-1/3)

x = -21

x = -21

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