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Dyinql0ser
I’m not 100% sure but it could be 225 and 328. Adding those together you get a sum of 553.

Hope this helped! Mark me brainliest if you’d like, im tryna get too expert!
loreal33
x + y = 553

x - y = 225



x + x + 225 = 553

2x = 553 - 225


2x = 328

Divide by 2.

x = 164


164 + y = 553
y - 164 = 225

553 - 164 = 389
225 + 164 = 389


The two mystery numbers are 164 and 389.