PRC-2 · Chapter 1 · Question 20 of 45
Solve the following linear equation for x: 4(x - 2) + 3 = 15.
Test yourself: pick an answer
Reveal answer & explanation
Correct answer: B) 5
Explanation
First, subtract 3 from both sides: 4(x - 2) = 12. Then divide by 4: x - 2 = 3. Adding 2 to both sides results in x = 5.
More Linear And Quadratic Equations MCQs
- Q22What is the discriminant of the quadratic equation 3x^2 - 4x + 2 = 0?
- Q23What is the sum of the roots for the quadratic equation 2x^2 - 10x + 12 = 0?
- Q24What is the product of the roots for the quadratic equation 2x^2 - 10x + 12 = 0?
- Q25Find the values of x and y in the following simultaneous linear equations: 3x - 2y = 8 and x + y = 6.
- Q26What are the specific roots of the quadratic equation x^2 - 11x + 30 = 0?