3/4b-5-3/5b=-121/20

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Solution for 3/4b-5-3/5b=-121/20 equation: 


b in (-oo:+oo)

(3/4)*b-((3/5)*b)-5 = -121/20 // + -121/20

(3/4)*b-((3/5)*b)-(-121/20)-5 = 0

(3/4)*b+(-3/5)*b+121/20-5 = 0

3/20*b+21/20 = 0 // - 21/20

3/20*b = -21/20 // : 3/20

b = -21/20/3/20

b = -7

b = -7

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