Which of the following expressions is equivalent to:
Correct answer: D. a - c
- A. a - 3c
- B. a + 5c
- C. a + c
- D. a - c
Explanation
Option D is correct as the simplification of the given expression results in a - c. The other options are incorrect because they do not represent the simplified form of the expression. Option A, a - 3c, is incorrect as it introduces an unnecessary subtraction of 3c. Option B, a + 5c, is incorrect as it adds 5c, which is not part of the original expression. Option C, a + c, is incorrect because it adds c instead of subtracting it, which does not match the simplified form of a - c.
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