Question

помогите срочно плис
решить систему уравнений 2x-2y=3
3x+2y=23

Answer 1

$left { {{2x-2y=3} atop {3x+2y=23}} right. |+ left { {{5x=26} atop {2x-2y=3}} right. left { {{x=5.2} atop {2*5.2 -2y=3}} right. left { {{x=5.2} atop {10.4-2y=3}} right. left { {{x=5.2} atop {7.4=2y}} right. left { {{x=5.2} atop {y=3.7}} right.$
Ответ: $(5.2;3.7)$