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The difference between twice a number and 4 is 10. What is the number?

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Question: The difference between twice a number and 4 is 10. What is the number?

Options:

  1. 5
  2. 7
  3. 8
  4. 9

Correct Answer: 5

Solution: 

Let the number be x. The equation is 2x - 4 = 10. Adding 4 to both sides gives 2x = 14. Dividing by 2 gives x = 7.

The difference between twice a number and 4 is 10. What is the number?

Practice Questions

Q1
The difference between twice a number and 4 is 10. What is the number?
  1. 5
  2. 7
  3. 8
  4. 9

Questions & Step-by-Step Solutions

The difference between twice a number and 4 is 10. What is the number?
  • Algebraic Equations – The question tests the ability to set up and solve a linear equation based on a verbal statement.
  • Transposition – The question involves manipulating an equation by adding or subtracting terms to isolate the variable.
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