Question

(3x +2y = 1
(2x + 5y =8
Срочно пж​

Answer 1

Ответ:

(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