The problem asks us to solve two inequalities for $x$ and fill in the boxes with the solution. (1) $2(x+3) \ge 3(x+1)$ (2) $\frac{x+3}{10} - \frac{5x-2}{8} \le -\frac{x}{4}$

AlgebraInequalitiesLinear InequalitiesSolving InequalitiesAlgebraic Manipulation
2025/6/26

1. Problem Description

The problem asks us to solve two inequalities for xx and fill in the boxes with the solution.
(1) 2(x+3)3(x+1)2(x+3) \ge 3(x+1)
(2) x+3105x28x4\frac{x+3}{10} - \frac{5x-2}{8} \le -\frac{x}{4}

2. Solution Steps

(1) 2(x+3)3(x+1)2(x+3) \ge 3(x+1)
Expand both sides:
2x+63x+32x + 6 \ge 3x + 3
Subtract 2x2x from both sides:
6x+36 \ge x + 3
Subtract 3 from both sides:
3x3 \ge x
x3x \le 3
Thus, box 28 contains
3.
(2) x+3105x28x4\frac{x+3}{10} - \frac{5x-2}{8} \le -\frac{x}{4}
To eliminate the fractions, multiply both sides by the least common multiple of 10, 8, and 4, which is 40:
40(x+3105x28)40(x4)40 \cdot \left( \frac{x+3}{10} - \frac{5x-2}{8} \right) \le 40 \cdot \left( -\frac{x}{4} \right)
4(x+3)5(5x2)10x4(x+3) - 5(5x-2) \le -10x
4x+1225x+1010x4x + 12 - 25x + 10 \le -10x
21x+2210x-21x + 22 \le -10x
Add 21x21x to both sides:
2211x22 \le 11x
Divide both sides by 11:
2x2 \le x
x2x \ge 2
Thus, box 29 contains
2.

3. Final Answer

Box 28 contains

3. Box 29 contains 2.

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