Question

(x+y)/2 = x - 1
(x-y)/2 = y + 1
porfiis me ayudan

Answer 1

x+y/2=x-1

x-y/2=y+1

x+y/2=x-1

y/2=-1

y=-2

x-y/2=y+1

x=y+ (y/2)+1

x=3/2 y+1

x=(3y/2)+1

x=(3)(-2)/2+1

x=(-6/2)+1

x=-3+1

x=-2