Question

Como resolver?

2x/5 - x ≥ 3

Answer 1

$\frac{2x}{5}-x \geq 3\\ \\ 2x-5x \geq 15\\ \\ -3x \geq 15\\ \\ 3x \leq -15\\ \\ x \leq \frac{-15}{3}\\ \\ x \leq -5$