rezolvati inecuatiile:
a) 2/3 × x - 1/5> 7/15
b) 1,3×x-13 < 2×x+8
c) -2×x+1/5 > sau egal -5×x+1/2
d) 4(x+3)/-3 < sau egal 2×x-2/9.
Urgent!! Nu stii nu RASPUNDE
