Respuesta :

Answer: B.x = -22

x + 13 < 9

⇔ x < 9 - 13

⇔ x < -4

=> x ∈ {-∞; -4}

=> x = -22

Step-by-step explanation:

xenia168

Answer:

Step-by-step explanation:

x + 13 < 9

x < - 4

(B). - 22

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