ISEE Word Problems Question 187: Answer and Explanation

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Question: 187

8. If -3x -9 = , then x = ?

  • A. 6
  • B. 3
  • C. –2
  • D. –6

Correct Answer: C

Explanation:

The answer is C

Multiply all terms by 2: -6x - 18 = 3x. Add 6x to both sides: -18 = 9x. Divide both sides by 9: x = -2.

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

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