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What is the value of x in the equation 3x - 5 = 7?

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Question: What is the value of x in the equation 3x - 5 = 7?

Options:

  1. 4
  2. 5
  3. 6
  4. 3

Correct Answer: 4

Solution: 

Solving for x: 3x = 12, thus x = 4.

What is the value of x in the equation 3x - 5 = 7?

Practice Questions

Q1
What is the value of x in the equation 3x - 5 = 7?
  1. 4
  2. 5
  3. 6
  4. 3

Questions & Step-by-Step Solutions

What is the value of x in the equation 3x - 5 = 7?
Correct Answer: 4
  • Step 1: Start with the equation 3x - 5 = 7.
  • Step 2: Add 5 to both sides of the equation to get rid of -5. This gives you 3x = 7 + 5.
  • Step 3: Simplify the right side. 7 + 5 equals 12, so now you have 3x = 12.
  • Step 4: Now, divide both sides of the equation by 3 to solve for x. This gives you x = 12 / 3.
  • Step 5: Simplify 12 / 3, which equals 4. So, x = 4.
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