x + y = 15
x - y = 3
Add the equations to obtain 2x = 18
So, x = 9 and y = 6
xy = 54
Austin I.
asked • 09/20/19The sum of the real numbers x and y is 15. Their difference is 3. What is the value of xy?
The sum of the real numbers x and y is 15. Their difference is 3. What is the value of xy?
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