-4-x-x=-22 - solution

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Solution for -4-x-x=-22 equation:

x in (-oo:+oo)

-x-x-4 = -22 // + 22

22-x-x-4 = 0

18-2*x = 0 // - 18

-2*x = -18 // : -2

x = -18/(-2)

x = 9

x = 9

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