(x; y) = -1; 2
Объяснение:
(3x+2y=1
(2x=8-5y
(3*(8-5y)/2+2y=1
(x=(8-5y)/2
(24-15y)/2+2y=1
(24-15y+4y)/2=1
(24-11y)/2=1
24-11y=2
-11y=-22
y=2
x=(8-5y)/2=(8-5*2)/2=(8-10)/2=-2/2=-1
(x; y) = -1; 2
Объяснение:
(3x+2y=1
(2x=8-5y
(3*(8-5y)/2+2y=1
(x=(8-5y)/2
(24-15y)/2+2y=1
(24-15y+4y)/2=1
(24-11y)/2=1
24-11y=2
-11y=-22
y=2
x=(8-5y)/2=(8-5*2)/2=(8-10)/2=-2/2=-1