8/20b-5/20b=3

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Solution for 8/20b-5/20b=3 equation: 


b in (-oo:+oo)

(8/20)*b-((5/20)*b) = 3 // - 3

(8/20)*b-((5/20)*b)-3 = 0

(8/20)*b+(-1/4)*b-3 = 0

3/20*b-3 = 0 // + 3

3/20*b = 3 // : 3/20

b = 3/3/20

b = 20

b = 20

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