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x in (-oo:+oo)
3/8 = 16*x // - 16*x
3/8-(16*x) = 0
3/8-16*x = 0
3/8-16*x = 0 // - 3/8
-16*x = -3/8 // : -16
x = -3/8/(-16)
x = 3/128
x = 3/128
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