To solve the inequality 7 x + 9 + 4 x + 18 ≥ − 15 , we combine like terms to get 11 x + 27 ≥ − 15 . After isolating x , we find that x ≥ − 11 42 , which is approximately x ≥ − 3.82 , making option b ( x ≥ − 4 ) the correct choice.
;
**b (approx) ** ;