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x in (-oo:+oo)
(-3/4)*x = 3/64 // - 3/64
(-3/4)*x-(3/64) = 0
(-3/4)*x-3/64 = 0
-3/4*x-3/64 = 0 // + 3/64
-3/4*x = 3/64 // : -3/4
x = 3/64/(-3/4)
x = -1/16
x = -1/16
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