4
Answer: BSet 1: Linear Equations (Beginner)
Explanation
PROBLEM
Solve for x: 6x + 3 = 15
Solve for x: 6x + 3 = 15
A.
3
B.✓ Correct
2
C.
4
D.
1
Detailed Explanation
Choice B is the best answer. Solve step by step: x = 2
Why others are wrong:
A: 3 is incorrect because it does not satisfy the equation.
C: 4 is incorrect because it does not satisfy the equation.
D: 1 is incorrect because it does not satisfy the equation.