Question

x+y=3
2x-3y=11.
пж помогите ​

Answer 1

Ответ:

На фото

Объяснение:

Answer 2

$\displaystyle\bf\\\left \{ {{x+y=3} \ |\cdot 3\atop {2x-3y=11}} \right.\\\\\\+\left \{ {{3x+3y=9} \atop {2x-3y=11}} \right. \\----------\\5x=20\\\\x=20:5=4\\\\y=3-x=3-4=-1\\\\Otvet \ : \ (4 \ ; \ -1)$