-3x-4=-31

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Solution for -3x-4=-31 equation: 


x in (-oo:+oo)

-3*x-4 = -31 // + 31

31-3*x-4 = 0

27-3*x = 0 // - 27

-3*x = -27 // : -3

x = -27/(-3)

x = 9

x = 9

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