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If 5x - 3 = 12, what is the value of x?

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Question: If 5x - 3 = 12, what is the value of x?

Options:

  1. 2
  2. 3
  3. 4
  4. 5

Correct Answer: 3

Solution: 

Add 3 to both sides to get 5x = 15, then divide by 5 to find x = 3.

If 5x - 3 = 12, what is the value of x?

Practice Questions

Q1
If 5x - 3 = 12, what is the value of x?
  1. 2
  2. 3
  3. 4
  4. 5

Questions & Step-by-Step Solutions

If 5x - 3 = 12, what is the value of x?
Correct Answer: 3
  • Step 1: Start with the equation 5x - 3 = 12.
  • Step 2: Add 3 to both sides of the equation to eliminate -3. This gives you 5x = 12 + 3.
  • Step 3: Calculate the right side: 12 + 3 = 15. Now the equation is 5x = 15.
  • Step 4: Divide both sides of the equation by 5 to solve for x. This gives you x = 15 / 5.
  • Step 5: Calculate the right side: 15 / 5 = 3. Therefore, x = 3.
  • Algebraic Manipulation – The process of rearranging equations to isolate the variable.
  • Solving Linear Equations – Finding the value of the variable that satisfies the equation.
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