3+3b+4b=-81

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Solution for 3+3b+4b=-81 equation: 


b in (-oo:+oo)

3*b+4*b+3 = -81 // + 81

3*b+4*b+3+81 = 0

7*b+84 = 0 // - 84

7*b = -84 // : 7

b = -84/7

b = -12

b = -12

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