9-4n=-31

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Solution for 9-4n=-31 equation: 


n in (-oo:+oo)

9-(4*n) = -31 // + 31

9-(4*n)+31 = 0

9-4*n+31 = 0

40-4*n = 0 // - 40

-4*n = -40 // : -4

n = -40/(-4)

n = 10

n = 10

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