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x in (-oo:+oo)
x+3/8 = x+7/4-(4/3) // - x+7/4-(4/3)
x-x+3/8-(7/4)+4/3 = 0
x-x+3/8-7/4+4/3 = 0
-1/24 = 0
x belongs to the empty set
x belongs to the empty set
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