For this case, we have the following expression:

We simplify the expression:
If we add similar terms, taking into account that different signs are subtracted and the sign of the greater one is placed, we have that 
So, we have to:

Answer:
-3x + x + 5 = -2x + 5
Answer:
7
Step-by-step explanation:
X+2(x+2)=22
x+2x+4=22
3x+4=22
3x=18
x=6