(1,2х+16,80*(-13,1)=0 -15 1/3*(1,9х+5,7)=0 20 - вопрос №1216801310151319570206666971 от bohdanaznetishyna 27.01.2021 08:44

Question

Математика: (1,2х+16,80*(-13,1)=0 -15 1/3*(1,9х+5,7)=0 20

bohdanaznetishyna · Answer

(1,2х + 16,8 * (- 13,1) = 01,2х - 220,08 = 01,2х = 220,08     х = 183,4- 15 1/3 * (1,9х + 5,7) = 0- 44/3 * ( 19/10х + 57/10) = 0- 418/15х - 1254/15 = 0418/15х = - 1254/15    х = - 3...