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x in (-oo:+oo)
x/13.7 = 23 // - 23
x/13.7-23 = 0
0.0729927*x-23 = 0 // + 23
0.0729927*x = 23 // : 0.0729927
x = 23/0.0729927
x = 315.10000315
x = 315.10000315
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