Question

Rezolvati in ℤ inecuatia:

2x-3 supra -2 ≥ -6

Answer 1

$\frac{2x-3}{-2}$  ≥ -6

$\frac{2x-3}{-2}$ ≥ $\frac{12}{-2}$

2x-3≥12
2x≥12+3
2x≥15
x=15:2
x=7,5