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What is the value of x if 2x + 3 = 15? (2020)

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Question: What is the value of x if 2x + 3 = 15? (2020)

Options:

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

Correct Answer: 6

Exam Year: 2020

Solution: 

Subtracting 3 from both sides gives 2x = 12. Dividing by 2 gives x = 6.

What is the value of x if 2x + 3 = 15? (2020)

Practice Questions

Q1
What is the value of x if 2x + 3 = 15? (2020)
  1. 5
  2. 6
  3. 7
  4. 8

Questions & Step-by-Step Solutions

What is the value of x if 2x + 3 = 15? (2020)
  • Step 1: Start with the equation 2x + 3 = 15.
  • Step 2: Subtract 3 from both sides of the equation. This gives you 2x = 15 - 3.
  • Step 3: Calculate 15 - 3, which equals 12. Now the equation is 2x = 12.
  • Step 4: Divide both sides of the equation by 2. This gives you x = 12 / 2.
  • Step 5: Calculate 12 / 2, which equals 6. So, x = 6.
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