If 5x + 3 = 18, what is the value of x?

Practice Questions

Q1
If 5x + 3 = 18, what is the value of x?
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Questions & Step-by-Step Solutions

If 5x + 3 = 18, what is the value of x?
Correct Answer: 3
  • Step 1: Start with the equation 5x + 3 = 18.
  • Step 2: To isolate the term with x, subtract 3 from both sides of the equation. This gives you 5x = 18 - 3.
  • Step 3: Calculate 18 - 3, which equals 15. Now the equation is 5x = 15.
  • Step 4: To find the value of x, divide both sides of the equation by 5. This gives you x = 15 / 5.
  • Step 5: Calculate 15 divided by 5, which equals 3. Therefore, x = 3.
  • Algebraic Manipulation – The question tests the ability to isolate the variable x in a linear equation.
  • Basic Arithmetic – The question requires basic arithmetic skills to perform addition and division.
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