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Ответ дан
mursalovasuriya

Ответ:

1)x > 1 \ x > 2.5 \ x  = (2.5. +  infty )

 2)- 2x leqslant  - 3 \ x leqslant 3 \  \ x geqslant 1.5 \ x leqslant 3 \  \

x€[1,5; 3]

3)x <  - 1.5 \ x >  - 2

x€(-2;-1,5)

4)4 - 5x >  - 1 \  frac{1}{6} x < 2 \  - 5x >  - 5 =  > x < 1 \ x < 2 div  frac{1}{6}  = 2 times 6 = 12 \  \ x < 1 \ x < 12

X€(1;12)

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