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Solve for x: 9x + 1 = 28.

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Question: Solve for x: 9x + 1 = 28.

Options:

  1. x = 2
  2. x = 3
  3. x = 4
  4. x = 5

Correct Answer: x = 3

Solution: 

Step 1: Subtract 1 from both sides: 9x = 27. Step 2: Divide both sides by 9: x = 3.

Solve for x: 9x + 1 = 28.

Practice Questions

Q1
Solve for x: 9x + 1 = 28.
  1. x = 2
  2. x = 3
  3. x = 4
  4. x = 5

Questions & Step-by-Step Solutions

Solve for x: 9x + 1 = 28.
  • Step 1: Start with the equation 9x + 1 = 28.
  • Step 2: Subtract 1 from both sides of the equation. This gives you 9x = 28 - 1.
  • Step 3: Simplify the right side. Now you have 9x = 27.
  • Step 4: Divide both sides of the equation by 9. This means you do 27 ÷ 9.
  • Step 5: Simplify the left side. Now you have x = 3.
  • Linear Equations – The question tests the ability to solve a basic linear equation by isolating the variable.
  • Algebraic Manipulation – It assesses skills in performing arithmetic operations such as addition, subtraction, and division.
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