Question

Решите систему уравнений.
$left { {{5x-4y=13} atop{2x-y=4}}$

Answer 1

$left { {{5x-4y=13} atop {2x-y=4}} right. ; left { {{-3x=-3} atop {2x-y=4}} right. ; left { {{x=1} atop {y=2-4=-2}} right. ; ; Otvet:; ; (1,-2).$