-3b+9+7b=-23

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Solution for -3b+9+7b=-23 equation: 


b in (-oo:+oo)

7*b-3*b+9 = -23 // + 23

7*b-3*b+9+23 = 0

4*b+32 = 0 // - 32

4*b = -32 // : 4

b = -32/4

b = -8

b = -8

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