Question

5х+15 ≤0, х + 9 ≥ 3.

Answer 1

5х+15 ≤0

5х≤-15

х≤-3

Ответ: (-∞; 3]

х + 9 ≥ 3

х≥-6

Ответ: [6; +∞)

Answer 2

To solve the inequalities, we'll work on each one separately:

1. 5x + 15 ≤ 0:

Subtract 15 from both sides: 5x ≤ -15

Now, divide both sides by 5 (since the coefficient of x is 5 and we want to isolate x): x ≤ -15/5

Simplify: x ≤ -3

2. x + 9 ≥ 3:

Subtract 9 from both sides: x ≥ 3 - 9

Simplify: x ≥ -6

So, the solutions for the inequalities are:

1. x ≤ -3
2. x ≥ -6