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Rezolvati inecuatiile:
a). [tex] \frac{3x+1}{-2} [/tex] <1
b). [tex] \frac{t-1}{2} [/tex] - [tex] \frac{t}{5} [/tex] ≥2
c). [tex] \frac{x-2}{3} [/tex] - [tex] \frac{x}{4} [/tex] > 0,5
d). [tex] \frac{-2x+1}{3} [/tex] ≥ [tex] \frac{-3x}{2} [/tex]
Va rooog ajutati-ma repede.


Răspuns :

-(3x+1)/2<1
-3x-1<2
-3x<3
x>-1

(t-1)/2-t/5≥2
5(t-1)-2t≥20
3t≥25
t≥25/3

(x-2)/3-x/4>1/2
4(x-2)-3x>6
x>14

(-2x+1)/3≥-3x/2
-2x+1≥-9x/2
-4x+2≥-9x
x≥-2/5