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Twice a number decreased by 4 equals 10. What is the number?

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Question: Twice a number decreased by 4 equals 10. What is the number?

Options:

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

Correct Answer: 7

Solution: 

Let the number be x. The equation is 2x - 4 = 10. Adding 4 gives 2x = 14, so x = 7.

Twice a number decreased by 4 equals 10. What is the number?

Practice Questions

Q1
Twice a number decreased by 4 equals 10. What is the number?
  1. 5
  2. 7
  3. 8
  4. 9

Questions & Step-by-Step Solutions

Twice a number decreased by 4 equals 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 assesses the understanding of moving terms across the equation to isolate the variable.
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