Solve: 3x - 6 = 8. How many integer solutions?

**Choice D is the best answer.** x = 2. Solutions: 2, 3, 4, 5, 6 = 5

**Choice D is the best answer.** x = 2. Solutions: 2, 3, 4, 5, 6 = 5

Set 3: Linear Inequalities (Advanced)

Explanation

Answer: D

PROBLEM

Solve: 3x - 6 <= 12 AND 2x + 4 >= 8. How many integer solutions?

✓ Correct

Choice D is the best answer. x <= 6 AND x >= 2. Solutions: 2, 3, 4, 5, 6 = 5

Why others are wrong:

A: 4 is incorrect because it does not satisfy the equation.

B: 6 is incorrect because it does not satisfy the equation.

C: 7 is incorrect because it does not satisfy the equation.