Question

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

Answer 1

$3x > - 80 | \div 3 = > 3x \div 3 > - 80 \div 3 = > x > - \frac{80}{3}$

$2x \leqslant 1 | \div 2 = > 2x \div 2 \leqslant 1 \div 2 = > x \leqslant \frac{1}{2}$