2+7b+4b=-31 - solution

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Solution for 2+7b+4b=-31 equation:

b in (-oo:+oo)

7*b+4*b+2 = -31 // + 31

7*b+4*b+2+31 = 0

11*b+33 = 0 // - 33

11*b = -33 // : 11

b = -33/11

b = -3

b = -3

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