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a) 3x>-80
b) 2x< sau egal 1


Răspuns :

[tex]3x > - 80 | \div 3 = > 3x \div 3 > - 80 \div 3 = > x > - \frac{80}{3} [/tex]

[tex]2x \leqslant 1 | \div 2 = > 2x \div 2 \leqslant 1 \div 2 = > x \leqslant \frac{1}{2} [/tex]