Question

решите -x-2+3(x-3)=3(4-x)-3

Answer 1

-х-2+3х-9=12-3х-3
2х-11=9-3х
2х+3х=9+11
5х=20
Х=20:5
Х=4

Answer 2

-x-2+3x-9=12-3x-3
-x+3x+3x=12-3+2+9
5x=20
x=20:5
x=4