Только второй! Пожалуйста

2x-x-3≥1                        x≥4            x≥4-3x≤12-2x                      -x≤12         x≥12   не забудь суммарные скобки

[latex] \left \{ {{x- \frac{x+3}{2} \geq 1 } \atop {- \frac{x}{2} \leq 2- \frac{x}{3} }} \right. [/latex] [latex] \left \{ {{2x-2* \frac{x+3}{2} \geq 2*1 } \atop {-6* \frac{x}{2}} \leq 6*2-6* \frac{x}{3} } \right. [/latex] [latex] \left \{ {{2x-(x+3) \geq 2} \atop {-3x \leq 12-2x}} \right. [/latex] [latex] \left \{ {{2x-x-3 \geq 2} \atop {-3x+2x \leq 12}} \right. [/latex] [latex] \left \{ {{x-3 \geq 2} \atop {-x \leq 12}} \right. [/latex] [latex] \left \{ {{x \geq 2+3} \atop {x \geq -12}} \right. [/latex] [latex] \left \{ {{x \geq 5} \atop {x \geq -12}} \right. [/latex] [latex]x[/latex]∈[latex][5, +[/latex]∞[latex])[/latex]