Вкажіть розв"язок системи рівнянь: Х+у=5, Х-у=3

x+y=5 x-y=3 x=5-y 5-y-y=3 x=5-y -2y=-2 x=5-y y=1 x=4 y=1 [latex] \left \{ {{x+y=5} \atop {x-y=3}} \right. \left \{ {{x=5-y} \atop {5-y-y=3}} \right. \left \{ {{x=5-y} \atop {-2y=-2}} \right. \left \{ {{x=5-y} \atop {y=1}} \right. \left \{ {{x=4} \atop {y=1}} \right. [/latex]