4k+9=-31

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Solution for 4k+9=-31 equation: 


k in (-oo:+oo)

4*k+9 = -31 // + 31

4*k+9+31 = 0

4*k+40 = 0 // - 40

4*k = -40 // : 4

k = -40/4

k = -10

k = -10

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