PRC-2 · Chapter 1 · Question 32 of 45
Solve the linear equation for x: 3(x - 4) = 2(x + 1).
Test yourself: pick an answer
Reveal answer & explanation
Correct answer: B) x = 14
Explanation
First, expand the brackets: 3x - 12 = 2x + 2. Then, move variables to one side and constants to the other: 3x - 2x = 12 + 2, resulting in x = 14.
More Linear And Quadratic Equations MCQs
- Q34If the discriminant of a quadratic equation is exactly zero (b^2 - 4ac = 0), what can be concluded about its roots?
- Q35What are the roots of the quadratic equation x^2 - 7x + 10 = 0?
- Q36An algebraic expression that contains exactly two terms is called a:
- Q37If two lines represented by linear equations have the exactly same slope but different y-intercepts, they are:
- Q38Solve the following system of linear equations for x and y: x + y = 10 and x - y = 2.
