Question

помогите плиз.. срочно!!

Answer 1

$left { {{x+y=-2} atop {6^{x+5y}=6^2 }} right.$
$left { {{x+y=-2} atop {x+5y=2}} right.$
$left { {{x+y=-2} atop {-x-5y=-2}} right.$
-4y=4
y=1
x=-2-1=-3