5
Answer: BSet 10: Linear Equations (Advanced)
Explanation
If 3x + 2y = 10 and 2x + 3y = 15, what is x + y?
What is x + y?
A.
25
B.✓ Correct
5
C.
3
D.
10
Detailed Explanation
Choice B is correct. Add equations: 5 x + 5 y = 25. Divide by 5: x + y = 5.
Key Steps:
•
The correct answer is 5
Why others are wrong:
A: Choice A is incorrect and may result from a calculation error.
C: Choice C is incorrect and may result from a calculation error.
D: Choice D is incorrect and may result from a calculation error.
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