х+3+2(х+3)= -(3-х)+4
х+3 +2х +6 = -3 +х +4
3х+9 = х +1
3х -х= 1-9
2х = -8
х = -4
2- 3(2х+2) = 5-4х
2-6х -6 = 5-4х
-4-6х = 5-4х
-6х +4х = 5+4
-2х =9
х = - 4,5