Determine the two integers whose sum is 6 and difference is (-8)
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ANSWER = -1 , 7
let the numbers be x and y
x + y = 6 ----------(1)
x - y = -8 ----------(2)
(1) + (2)
2x = -2
x = -1
-1 + y = 6
y = 6 +1
= 7
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