(-1/2)x-1=7 - solution

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Solution for (-1/2)x-1=7 equation:

x in (-oo:+oo)

(-1/2)*x-1 = 7 // - 7

(-1/2)*x-7-1 = 0

-1/2*x-8 = 0 // + 8

-1/2*x = 8 // : -1/2

x = 8/(-1/2)

x = -16

x = -16

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