Question

rezolvati inecuatia 2x-1mai mic sau egal x+3(x-2)

Answer 1

2x-1<x+3x-6
2x-1<4x-6
5<2x

Answer 2

$\displaystyle 2x-1 \leq x+3(x-2) \\ \\ 2x-1 \leq x+3x-6 \\ \\ 2x-x-3x \leq -6+1 \\ \\ -2x \leq -5 \\ \\ 2x \geq 5 \Rightarrow x \geq \frac{5}{2} \Rightarrow x\in \left[ \frac{5}{2} ,+\infty\right)$