Question

решите уравнения: -x-2+3(x-3)=3(4-x)-3

Answer 1

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

Answer 2

-х-2+3(х-3)=(4-х)-3
-х-2+х-9=8-2х-3
2х+2х=11+8-3
4х=16
х=16:4
х=4