kaylinjj kaylinjj 19-02-2020 Mathematics contestada What is the solution to: −2(9+3)−7≥−10−(12+9) − 2 ( 9 r + 3 ) − 7 r ≥ − 10 r − ( 12 r + 9 ) A) ≤−5 r ≤ − 5 B) ≥−5 r ≥ − 5 C) ≤1 r ≤ 1 D) ≥1