Set 5: Linear Equations (Intermediate)

**Choice D is the best answer.** Solve step by step: x = 4

Explanation

Answer: D

PROBLEM

Solve for x: 6x - 9 = 15

✓ Correct

Detailed Explanation

Choice D is the best answer. Solve step by step: x = 4

Why others are wrong:

A: 8 is incorrect because it does not satisfy the equation.

B: 3 is incorrect because it does not satisfy the equation.

C: 5 is incorrect because it does not satisfy the equation.