If it's not what You are looking for type in the equation solver your own equation and let us solve it.
x in (-oo:+oo)
x/y = 0.25 // - 0.25
x/y-0.25 = 0
x*y^-1-0.25 = 0 // + 0.25
x*y^-1 = 0.25 // : y^-1
x = 0.25/(y^-1)
x = 0.25/(y^-1)
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