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+0.8/9.2 = x+0.2 // - x+0.2
X-x+0.8/9.2-0.2 = 0
X-x-0.11304348 = 0 // - X-0.11304348
-x = -(X-0.11304348) // * -1
x = X-0.11304348
x = X-0.11304348
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