9b-45/8b-40 - solution

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Solution for 9b-45/8b-40 equation:

b in (-oo:+oo)

9*b-((45/8)*b)-40 = 0

9*b+(-45/8)*b-40 = 0

27/8*b-40 = 0 // + 40

27/8*b = 40 // : 27/8

b = 40/27/8

b = 320/27

b = 320/27

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