SOLUTION: the sum of two numbers is 12. the difference of the same two numbers is -4 find the numbers.

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Question 670026: the sum of two numbers is 12. the difference of the same two numbers is -4 find the numbers.
Answer by ReadingBoosters(3246) About Me  (Show Source):
You can put this solution on YOUR website!
x+y=12
x-y=-4
...
x + (x+4) = 12
2x+4 = 12
2x = 12-4
2x = 8
highlight_green%28x+=+4%29
...
4 + y = 12
y = 12-4
highlight_green%28y+=+8%29
.....................
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