3y-b/7x

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Solution for 3y-b/7x equation: 


x in (-oo:+oo)

3*y-((b/7)*x) = 0

3*y-1/7*b*x = 0 // - 3*y

-1/7*b*x = -(3*y) // : -1/7*b

x = (-(3*y))/(-1/7*b)

x = 21*b^-1*y

x = 21*b^-1*y

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