9/10+4b=2/5b+21/10

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Solution for 9/10+4b=2/5b+21/10 equation: 


b in (-oo:+oo)

4*b+9/10 = (2/5)*b+21/10 // - (2/5)*b+21/10

4*b-((2/5)*b)+9/10-(21/10) = 0

4*b+(-2/5)*b+9/10-21/10 = 0

18/5*b-6/5 = 0 // + 6/5

18/5*b = 6/5 // : 18/5

b = 6/5/18/5

b = 1/3

b = 1/3

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