Решите уравнения 9х + (6 – 2х) = 15 2х – (5х + 4) - вопрос №962152548532769357803 от evika8444 03.05.2022 04:44

Question

Алгебра: Решите уравнения 9х + (6 – 2х) = 15 2х – (5х + 4) = - 8 5 – 3(2х – 7) = -6х

evika8444 · Answer

9x + (6 - 2х) = 159х + 6 - 2х = 157х = 9х = 9/7х = 1 2/7ответ:2х - (5х + 4) = -82х - 5х - 4 = -8-3х = 4х = -4/3х = -1 1/3ответ: 5 - 3(2х - 7) = -6х5 - 6х + 21 = -6х-6х + 6х = -5 + (-21)0х = 26...