Answer:
The first number is 9, and the second number is -3.
Explanation:
Let x be the first number and y be the second number. We set up and solve this system of equations:
x - 5y = 24------->3x - 15y = 72
3x + y = 24------->3x + y = 24
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-16y = 48
y = -3, x = 9