The problem asks us to solve the inequality $3(x + 1) \le 5(x + 2) + 15$.

AlgebraInequalitiesLinear InequalitiesSolving Inequalities
2025/4/29

1. Problem Description

The problem asks us to solve the inequality 3(x+1)5(x+2)+153(x + 1) \le 5(x + 2) + 15.

2. Solution Steps

We start by expanding the terms in the inequality:
3(x+1)5(x+2)+153(x + 1) \le 5(x + 2) + 15
3x+35x+10+153x + 3 \le 5x + 10 + 15
3x+35x+253x + 3 \le 5x + 25
Now, we want to isolate xx on one side. Subtract 3x3x from both sides:
3x+33x5x+253x3x + 3 - 3x \le 5x + 25 - 3x
32x+253 \le 2x + 25
Next, subtract 25 from both sides:
3252x+25253 - 25 \le 2x + 25 - 25
222x-22 \le 2x
Now, divide both sides by 2:
2222x2\frac{-22}{2} \le \frac{2x}{2}
11x-11 \le x
This is equivalent to x11x \ge -11.

3. Final Answer

The solution to the inequality is x11x \ge -11.
The correct answer is D.

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