3
Answer: BSet 1: Linear Equations (Beginner)
Explanation
PROBLEM
Solve for x: 5x - 9 = 16
Solve for x: 5x - 9 = 16
A.
3
B.✓ Correct
5
C.
7
D.
6
Detailed Explanation
Choice B is the best answer. Solve step by step: x = 5
Why others are wrong:
A: 3 is incorrect because it does not satisfy the equation.
C: 7 is incorrect because it does not satisfy the equation.
D: 6 is incorrect because it does not satisfy the equation.