Question 1204044
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<pre>

    x + y = -22

    x - y =   8
 ------------------- Add these equations to get

    2x = -22 + 8 = -14  --->  x = -14/2 = -7;  y = -22 - x = -22 - (-7) = -22 + 7 = -15.


<U>ANSWER</U>.  The numbers are -7 and -15.
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Solved.


There are other ways to solve, but this one is the most educative (in my view).