Решите уравнения: 1. 4х-7х-9х=22 2.3/7 * (3-5х)- 4/5 - вопрос №14792223735453508780597 от maratkaa337 05.01.2023 02:41

Question

Математика: Решите уравнения: 1. 4х-7х-9х=22 2.3/7 * (3-5х)- 4/5 * (х-3/5)=0

maratkaa337 · Answer

4x - 7x - 9x = 22-12x = 22x = -11/63/7 • (3 - 5x) - 4/5 • (x - 3/5) = 09/7 - 15/7x - 4/5x + 12/25 = 0309/175 - 15/7x - 4/5x = 0309 - 375x - 140x = 0309 - 515x = 0-515x = -309x = 3/5 (0,6)...