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-(1/2) = 1.25 // - 1.25
x-(1/2)-1.25 = 0
x-1/2-1.25 = 0
x-1.75 = 0 // + 1.75
x = 1.75
x = 1.75
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