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If x + 3 = 7, what is the value of x?

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Question: If x + 3 = 7, what is the value of x?

Options:

  1. 4
  2. 3
  3. 7
  4. 10

Correct Answer: 4

Solution: 

To find x, subtract 3 from both sides: x = 7 - 3, which gives x = 4.

If x + 3 = 7, what is the value of x?

Practice Questions

Q1
If x + 3 = 7, what is the value of x?
  1. 4
  2. 3
  3. 7
  4. 10

Questions & Step-by-Step Solutions

If x + 3 = 7, what is the value of x?
  • Step 1: Start with the equation x + 3 = 7.
  • Step 2: To isolate x, you need to get rid of the +3. Do this by subtracting 3 from both sides of the equation.
  • Step 3: Write the equation after subtracting 3: x + 3 - 3 = 7 - 3.
  • Step 4: Simplify both sides: x = 4.
  • Algebraic Manipulation – The question tests the ability to isolate a variable by performing basic arithmetic operations.
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