|x + y| + x
Substitute x = 28 and y = -39 into the equation:
|28 + (-39)| + 28|28 - 39| + 28|-11| + 2811 + 2839
Therefore, |x + y| + x = 39.
|x + y| + x
Substitute x = 28 and y = -39 into the equation:
|28 + (-39)| + 28
|28 - 39| + 28
|-11| + 28
11 + 28
39
Therefore, |x + y| + x = 39.