b/19-8b/19=42/19

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Solution for b/19-8b/19=42/19 equation: 


b in (-oo:+oo)

b/19-((8*b)/19) = 42/19 // - 42/19

b/19-((8*b)/19)-(42/19) = 0

b/19+(-8/19)*b-42/19 = 0

-7/19*b-42/19 = 0 // + 42/19

-7/19*b = 42/19 // : -7/19

b = 42/19/(-7/19)

b = -6

b = -6

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