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Which of the following are true statements about the expression -9+9 ? Choose 2 answers: A The expression describes the number that is 9 to the left of -9 on the number line. B The expression describes the number that is 9 to the right of -9 on the number line. c The expression equals -18 . D The expression equals 0 .

Which of the following are true statements about the expression −9+9 -9+9 ?\newlineChoose 22 answers:\newline(A) The expression describes the number that is 99 to the left of −9-9 on the number line.\newline(B) The expression describes the number that is 99 to the right of −9-9 on the number line.\newline(C) The expression equals −18-18 .\newline(D) The expression equals 00 .

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Full solution

Q. Which of the following are true statements about the expression −9+9 -9+9 ?\newlineChoose 22 answers:\newline(A) The expression describes the number that is 99 to the left of −9-9 on the number line.\newline(B) The expression describes the number that is 99 to the right of −9-9 on the number line.\newline(C) The expression equals −18-18 .\newline(D) The expression equals 00 .
  1. Analyze Expression: Let's analyze the expression −9+9-9+9. This expression involves adding 99 to −9-9.\newlineCalculation: −9+9=0-9 + 9 = 0
  2. Option A Analysis: Now let's consider option A: The expression describes the number that is 99 to the left of −9-9 on the number line. If we move 99 units to the left of −9-9 on the number line, we would actually be at −18-18, not 00.
  3. Option B Analysis: Next, let's consider option B: The expression describes the number that is 99 to the right of −9-9 on the number line. If we move 99 units to the right of −9-9 on the number line, we would indeed be at 00, which is the result of the expression −9+9-9+9.
  4. Option C Evaluation: Now let's evaluate option C: The expression equals −18-18. As we calculated in the first step, −9+9-9+9 equals 00, not −18-18.
  5. Option D Evaluation: Finally, let's evaluate option D: The expression equals 00. This is true, as we have already calculated that −9+9-9+9 equals 00.

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