b/11-8b/11=21/11

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Solution for b/11-8b/11=21/11 equation: 


b in (-oo:+oo)

b/11-((8*b)/11) = 21/11 // - 21/11

b/11-((8*b)/11)-(21/11) = 0

b/11+(-8/11)*b-21/11 = 0

-7/11*b-21/11 = 0 // + 21/11

-7/11*b = 21/11 // : -7/11

b = 21/11/(-7/11)

b = -3

b = -3

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