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 = 1/8 // - 1/8
x-(1/8) = 0
x-1/8 = 0
x-1/8 = 0 // + 1/8
x = 1/8
x = 1/8
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