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X in (-oo:+oo)
X/0.28 = 1.05/0.98 // - 1.05/0.98
X/0.28-(1.05/0.98) = 0
X/0.28-1.07142857 = 0
3.57142857*X-1.07142857 = 0 // + 1.07142857
3.57142857*X = 1.07142857 // : 3.57142857
X = 1.07142857/3.57142857
X = 0.3
X = 0.3
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