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Two numbers such that their sum is 8 and their difference is also 8?
Wiki User
∙ 13y ago
This question equates to, find x and y such that
x + y = 8
x - y = 8
Solving the second equation for x:
x = 8 + y
Substituting in to the first equation:
8 + y + y = 8
2y = 0
y = 0
Solving for x:
x - 0 = 8
x = 8.
The two numbers are 8 and 0.
Wiki User
∙ 13y ago
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