ISEE Word Problems Question 188: Answer and Explanation

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Question: 188

9. If = 4, then x = ?

  • A. 7
  • B. 5
  • C. –5
  • D. –7

Correct Answer: A

Explanation:

The answer is A

Square both sides: x + 9 = 16. Subtract 9 from both sides: x = 7.

Test the answers to determine which one makes the equation true.

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