|2x-1|=3 Блин из головы вылетело...............

1) [latex] \left \{ {{2x-1 \geq 0} \atop {2x-1=3}} \right. [/latex] [latex] \left \{ {{x \geq 0.5} \atop {2x=4}} \right. [/latex] [latex] \left \{ {{x \geq 0.5} \atop {x=2}} \right. [/latex] 2) [latex]\left \{ {{2x-1<0} \atop {1-2x=3}} \right.[/latex] [latex]\left \{ {{x<0.5} \atop {-2x=2}} \right.[/latex] [latex]\left \{ {{x<0.5} \atop {x=-1}} \right.[/latex] Ответ: -1; 2