Question 712398
The sum of two numbers is 7 and their difference is 3. What are the two numbers?
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Equations:
x + y = 7
x - y = 3
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Add and solve for "x":
2x = 10
x = 5
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Solve for "y":
x + y = 7
5 + y = 7
y = 2
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Cheers,
Stan H.
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