3(2+x)-5x=6-2(-8+x) 8x-2=3-5x 1.7x-8 =x - вопрос №39149313256288235178 от honutem 21.08.2021 07:26

Question

Математика: 3(2+x)-5x=6-2(-8+x) 8x-2=3-5x 1.7x-8 =x

honutem · Answer

- 3(2 + х) - 5х = 6 - 2(- 8 + х)- 6 - 3х - 5х = 6 + 16 - 2х- 3х - 5х + 2х = 22 + 6- 6х = 28х = 28 : (-6) = - 28/6х = - 4 2/38х - 2 = 3 - 5х8х + 5х = 3 + 213х = 5х = 5/131,7х - 8 = х1,7х - х = 80,7х = 8х = 8 : 0,7 = 80 : 7х = 11 3/7...