Question

-x-2+3(x-3)=3(4-x)-3 уравнение

Answer 1

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