Решите,нужен только ответ {4х-12 больше либо равно 0 {х-6 меньше 1

[latex] \left \{ {{4x-12 \geq 0} \atop {x-6<1} \right. \Rightarrow \left \{ {{4x \geq 12} \atop {x<1+6} \right. \Rightarrow\Rightarrow \left \{ {{x \geq 3} \atop {x<7} \right. \Rightarrow[/latex]                            //////////////////////////////////////////////////////////////////////// --------------------[3]----------------------(7)-----------------------    \\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\ Ответ. [3;7)