Question

Пооомогите с уравнениями пажажа!

Answer 1

$\left \{ {{x+y=2} \atop {y^2+y^2+2xy+x^2=29}} \right. \left \{ {{x+y=2} \atop {y^2+(x+y)^2=29}} \right. \left \{ {{x+y=2} \atop {y^2+2^2=29}} \right. \left \{ {{x+y=2} \atop {y^2=25}} \right. \left \{ {{x+y=2} \atop {y=\pm5}} \right. \\\\ \left \{ {{x=2-(-5)} \atop {y=-5}} \right.\left \{ {{x=2-5} \atop {y=5}} \right.\\\\ \left \{ {{x=7} \atop {y=-5}} \right.\left \{ {{x=-3} \atop {y=5}} \right.$