Question

прошу помогите пжж!!!

Answer 1

$2x - 5 = 21x + 28 + 5 \\ 2x - 5 = 21x + 33 \\ 2x - 5 - 21x - 33 = 0 \\ - 19x - 38 = 0 \\ x = - 2$

Answer 2

2х-5=21х+28+5
2х-21х=28+5+5
23х=38|:23
х=1 15/23