If it's not what You are looking for type in the equation solver your own equation and let us solve it.
Y in (-oo:+oo)
Y = 1/0.75 // - 1/0.75
Y-(1/0.75) = 0
Y-1.33333333 = 0
Y-1.33333333 = 0 // + 1.33333333
Y = 1.33333333
Y = 1.33333333
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