- = -

- 5 = -

2(3x + 2) - 90 - 2x + 1 - 3x

6x + 4 - 90 = -x + 1

6x - 86 = -x + 1

6x + x = 1 + 86

7x = 87

x =

Пошаговое объяснение:

(3х+2) /9-5/1=(2х+1) /18-х/6

6х+4-90=2х+1-3х

6х-2х+3х=1+86

7х=87

Х=87/7=12 3/7