Solve: 3x + 9 = 2. How many integer solutions?

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

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

Set 5: Linear Inequalities (Intermediate)

Explanation

Answer: D

PROBLEM

Solve: 3x + 9 <= x + 19 AND x >= 2. How many integer solutions?

✓ Correct

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

Why others are wrong:

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

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

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