Question

Please help me, thanks! :)

Answer 1

If x+y=0, and |x|=16, that means that x is either 16 or -16 - the same goes for y. If both are 16 or -16, they add up to -32 or 32, which isn't what we want. However, if they are -16 and 16 (in no particular order), we're good as -16+16=0