x/-1=7

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Solution for x/-1=7 equation: 


x in (-oo:+oo)

x/(-1) = 7 // - 7

x/(-1)-7 = 0

-x-7 = 0

-x-7 = 0 // + 7

-x = 7 // * -1

x = -7

x = -7

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