Answer:
18
Explanation:
x + y = 9
x - y = 3
----------------add
2x = 12
x = 12/2
x = 6
x + 6 = 9
x = 9 - 6
x = 3
so ur numbers are 3 and 6......and their product is : (3 * 6) = 18 <==
6+3=9
6-3=3
6*3=18
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