3b/4-1b/5=12

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Solution for 3b/4-1b/5=12 equation: 


b in (-oo:+oo)

(3*b)/4-((1*b)/5) = 12 // - 12

(3*b)/4-((1*b)/5)-12 = 0

(3*b)/4-(b/5)-12 = 0

11/20*b-12 = 0 // + 12

11/20*b = 12 // : 11/20

b = 12/11/20

b = 240/11

b = 240/11

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