Solve for x: 5x - 3 = 2x + 12
Pick an answer
Correct!
Not quite. The correct answer is highlighted.
Correct answer to question 19 (Mathematics Knowledge): 5
Method
Gather the variables on one side and the numbers on the other: 5x - 2x = 12 + 3 gives 3x = 15, so x = 5.
Updated: November 2026
Raise your AFQT scoreFree for iPhone and Android
