Respuesta :

gcantiga44

Answer:

x ≥ 2

Step-by-step explanation:

21 ≤ 3 + 9x

21 - 3 ≤ 9x

18 ≤ 9x

18 ÷ 9 ≤ x

2 ≤ x

x ≥ 2

09pqr4sT

Answer:

[tex]x\ge \:2[/tex]

Step-by-step explanation:

[tex]21 \le 3 + 9x[/tex]

[tex]3+9x\ge \:21[/tex]

[tex]3+9x-3\ge \:21-3[/tex]

[tex]9x\ge \:18[/tex]

[tex]\frac{9x}{9}\ge \frac{18}{9}[/tex]

[tex]x\ge \:2[/tex]

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