Answer:
The numbers are 12 and - 9.
Explanation:
12 - 9 = 3
- 9 to 12 is 21
the 2 numbers are 12 and -9
x + y = 3
x - y = 21 Adding:-
2x = 24
x = 12
y = 3 - x = 3 12 = -9
Answer the 2 numbers are 12 and -9
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