Answer: -1
Step-by-step explanation:11 - 3(x+2) = 9+x
11 - 3x - 6 = 9 + x
11 - 6 - 3x = 9 + x
5 - 3x = 9 + x
-3x - x = 9 - 5
-4x = 4
x = 4 ÷ -4
x= -1
