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x in (-oo:+oo)
1/4 = 8^4*x-3 // - 8^4*x-3
1/4-(8^4*x)+3 = 0
13/4-4096*x = 0 // - 13/4
-4096*x = -13/4 // : -4096
x = -13/4/(-4096)
x = 13/16384
x = 13/16384
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