8
Answer: BSet 7: Linear Equations
Explanation
A number is doubled, then 5 subtracted. Result is same as number plus 10. Find number.
What is the number?
A.
10
B.✓ Correct
15
C.
5
D.
20
Detailed Explanation
Choice B is correct. 2 x - 5 = x + 10. x = 15.
Key Steps:
•
The correct answer is 15
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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