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What is the solution to the equation 3(x + 2) = 21?

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Question: What is the solution to the equation 3(x + 2) = 21?

Options:

  1. 5
  2. 6
  3. 7
  4. 8

Correct Answer: 7

Solution: 

Divide both sides by 3: x + 2 = 7. Then subtract 2: x = 5.

What is the solution to the equation 3(x + 2) = 21?

Practice Questions

Q1
What is the solution to the equation 3(x + 2) = 21?
  1. 5
  2. 6
  3. 7
  4. 8

Questions & Step-by-Step Solutions

What is the solution to the equation 3(x + 2) = 21?
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