2b+9=-13

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Solution for 2b+9=-13 equation: 


b in (-oo:+oo)

2*b+9 = -13 // + 13

2*b+9+13 = 0

2*b+22 = 0 // - 22

2*b = -22 // : 2

b = -22/2

b = -11

b = -11

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