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X in (-oo:+oo)
X/26 = 45/78 // - 45/78
X/26-(45/78) = 0
X/26-15/26 = 0
1/26*X-15/26 = 0 // + 15/26
1/26*X = 15/26 // : 1/26
X = 15/26/1/26
X = 15
X = 15
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