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zał.4-3x>0
-3x>-4
x<4/3
4-3x=4³
-3x=64-4
-3x=60
x=-20∈D
Log₂(2x-1)<0
zał. 2x-1<0
2x<1
x<1/2
log₂(2x-1)<log₂2⁰
2x-1<1
2x<2
x<1
x<1/2 ∧ x<1→ x<1/2