-4b+7=31

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Solution for -4b+7=31 equation: 


b in (-oo:+oo)

7-4*b = 31 // - 31

7-4*b-31 = 0

-4*b-24 = 0 // + 24

-4*b = 24 // : -4

b = 24/(-4)

b = -6

b = -6

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