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1/64 = 16^3*x-5 // - 16^3*x-5
1/64-(16^3*x)+5 = 0
321/64-4096*x = 0 // - 321/64
-4096*x = -321/64 // : -4096
x = -321/64/(-4096)
x = 321/262144
x = 321/262144
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