Question

способом подстановки

Answer 1

2)
(x+(y-2)/4=4
(x/3-y/2=-2

((y-2)/4=4-x
(x/3-y/2=-2

(y-2=16-4x
(x/3-y/2=-2

(y=18-4x
(x/3-y/2=-2

(y=18-4x
(x/3-(18-4x)/2=-2