Question

ПОМОГИТЕ ПОЖАЛУЙСТА РЕШИТЕ ЭТИ ПРИМЕРЫ (СРОЧНО)

Answer 1

2)
$|y| - 2 = 1 \\ \\ \left \{ {{y \geq 0} \atop {y-2=1}} \right. \\ \left \{ {{y \geq 0} \atop {y=3}} \right. \\ \\ \\ \left \{ {{y\ \textless \ 0} \atop {-y-2=1}} \right. \\ \left \{ {{y\ \textless \ 0} \atop {y=-3}} \right. \\ \\ OTBET: -3; 3$

4)
$|5y| - 4 = 6 \\ \\ \left \{ {{y \geq 0} \atop {5y - 4 = 6}} \right. \\ \left \{ {{y \geq 0} \atop {5y=10}} \right. \\ \left \{ {{y \geq 0} \atop {y=2}} \right. \\ \\ \\ \left \{ {{y\ \textless \ 0} \atop {-5y - 4 = 6}} \right. \\ \left \{ {{y\ \textless \ 0} \atop {-5y=10}} \right. \\ \left \{ {{y\ \textless \ 0} \atop {y=-2}} \right.\\ \\ OTBET: -2; 2$

6)
$4+|3y| = 7 \\ \\ \left \{ {{y \geq 0} \atop {4+3y = 7 }} \right. \\ \left \{ {{y \geq 0} \atop {3y=3}} \right. \\ \left \{ {{y \geq 0} \atop {y=1}} \right. \\ \\ \\ \left \{ {{y\ \textless \ 0} \atop {4-3y = 7 }} \right. \\ \left \{ {{y\ \textless \ 0} \atop {-3y=3}} \right. \\ \left \{ {{y\ \textless \ 0} \atop {y=-1}} \right.\\ \\ OTBET: -1; 1$

Answer 2

Вот тут на фотографиях все понятно расписано