Respuesta :
Answer:
X = 4
Step-by-step explanation:
| -4 | + 4 +1 = 9
Absolute value makes the -4 positive
Step 1 to question----->
|-x|+ x + 1 = 9
|-x| + x = 9 -1
|-x| + x = 8
step 2 ----------> what two numbers added = 8
divide 8 by to and you get 4
X=4
4+4+1=9