7х 4 9 3х 3 4 8 х 6 July 8, 2019 16 32 64 128 9(х – 3) – 4(7 – 3х) – 3 = –8х 9 – 7(х + 3) = 5 – 4х 9х – 4 (х – 7) ≥ –3 9 4х-7 8х
