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a in (-oo:+oo)
a/3.7 = -41.8 // + 41.8
a/3.7+41.8 = 0
0.27027027*a+41.8 = 0 // - 41.8
0.27027027*a = -41.8 // : 0.27027027
a = -41.8/0.27027027
a = -154.66000015
a = -154.66000015
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