Question

4,2х+8-7х; -2,7х=5-54х. Помогите решить срочно!!!!!!

Answer 1

4,2х+8-7х= -2,8х+8
-2,7х=5-54х => -2,7х+54х=5 => 51,2х=5 => х=5/51,2 => х=10,24