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If 3(x - 4) = 9, what is x?

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Question: If 3(x - 4) = 9, what is x?

Options:

  1. x = 1
  2. x = 4
  3. x = 7
  4. x = 10

Correct Answer: x = 7

Solution: 

Step 1: Divide both sides by 3: x - 4 = 3. Step 2: Add 4 to both sides: x = 7.

If 3(x - 4) = 9, what is x?

Practice Questions

Q1
If 3(x - 4) = 9, what is x?
  1. x = 1
  2. x = 4
  3. x = 7
  4. x = 10

Questions & Step-by-Step Solutions

If 3(x - 4) = 9, what is x?
  • Step 1: Start with the equation 3(x - 4) = 9.
  • Step 2: Divide both sides of the equation by 3 to simplify it. This gives you x - 4 = 3.
  • Step 3: Now, to isolate x, add 4 to both sides of the equation. This results in x = 3 + 4.
  • Step 4: Finally, calculate 3 + 4 to find x. So, x = 7.
  • Algebraic Equations – The question tests the ability to solve a linear equation by isolating the variable.
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