x/a=y/b

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Solution for x/a=y/b equation: 


x in (-oo:+oo)

x/a = y/b // - y/b

x/a-(y/b) = 0

a^-1*x-(b^-1*y) = 0 // + b^-1*y

a^-1*x = b^-1*y // : a^-1

x = (b^-1*y)/(a^-1)

x = (b^-1*y)/(a^-1)

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