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 = 1.6/1.5 // - 1.6/1.5
x-(1.6/1.5) = 0
x-1.06666667 = 0
x-1.06666667 = 0 // + 1.06666667
x = 1.06666667
x = 1.06666667
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