Если \(x<y,\) то \(x+5<y+5\) и \(x-8<y-8\) \(x+5>y+5\) и \(x-8>y-8\) \(x+5<y+5\) и \(x-8>y-8\) \(x+5>y+5\) и \(x-8<y-8\)