Question

2 задание помогите пожалуйста ​

Answer 1

Ответ:

$\displaystyle {\boldsymbol{\left \{ {{x=7} \atop {y=5}} \right. }$

Пошаговое объяснение:

$\displaystyle \left \{ {{x-y = 2} \atop {2x-3y=-1}} \right. \left \{ {{x=y+2\hfill} \atop {2(y+2)-3y = -1}} \right. \left \{ {{x=y+2\hfill} \atop {2y+4-3y = -1}} \right. \left \{ {{x=y+2} \atop {-y = -5}} \right. \left \{ {{x=7} \atop {y=5}} \right.$