Question

6-4х=4-6(x-7)
Помогите решить.

Answer 1

6-4х=4-6(х-7)
6-4х=4-6х+42
-4х+6х=-6+4+42
2х=44
х=22

Answer 2

-6+4+42=40,а не 42

Answer 3

6-4x=4-6(x-7)
6-4х=4-6х+42
6-4х-4+6х-42=0
-40+2х=0
2х=40
х=20