(1) 1/6x-0.12=2/3x-0.42 (2) 2(x-4)+14=-10(5-3x) , - вопрос №914422411601223042224141053 от viktoria168 09.04.2020 07:39

Question

Математика: (1) 1/6x-0.12=2/3x-0.42 (2) 2(x-4)+14=-10(5-3x) , заранее

viktoria168 · Answer

1) 2/3 x - 1/6 x = 0.42 - 0.122/3 x - 1/6 x = 0.42 - 0.124/6 x - 1/6 x = 0.42 - 0.123/6 x = 0.30.5 x = 0.3x = 0.3 / 0.5 = 0.62) 2х - 8 + 14 = - 50 + 30х30х - 2х = 50 + 14 -828 х = 66х = 2...