6у=-18, -2x=-6+x,7z-z+5=11,-3×(4x-8)=3x-6,x+3x=160 - вопрос №3249428618267511348363160 от Андрей1935362825 22.04.2022 18:20

Question

Математика: 6у=-18, -2x=-6+x,7z-z+5=11,-3×(4x-8)=3x-6,x+3x=160

Андрей1935362825 · Answer

6у = - 18у = - 18 : 6у = - 3- 2х = - 6 + х- 2х - х = - 6- 3х = - 6х = - 6 : 3х = - 27z - z + 5 = 116z + 5 = 116z = 11 - 56z = 6z = 6 : 6z = 1- 3 * (4х - 8) = 3х - 6- 12х + 24 = 3х - 6- 12х - 3х = - 6 - 24- 15х = - 30х = - 30 : 15х = - 2х + 3х = 1604х = 160х = 160 : 4х = 40...