Решите уравнения (3х-2)*4+15=2х 7/9х-5/18х+1/4х=1/6 - вопрос №3241527951814169745872 от antarxanoff2001 20.01.2020 12:30

Question

Математика: Решите уравнения (3х-2)*4+15=2х 7/9х-5/18х+1/4х=1/6

antarxanoff2001 · Answer

(3x - 2) * 4 + 15 = 2x12x - 8 + 15 - 2x = 010x + 7 = 010x = -7x = -0,7ответ: -0,7.7/9x - 5/18x + 1/4x = 1/628/36x - 10/36x + 9/36x = 6/3627/36x = 1/6x = 1/6 * 36/27x = 6/27x = 2/9ответ: 2/9....