2000001603

SubArea: 
Absolute value
Level: 
B
Project ID: 
2000001603
Accepted: 
0
Clonable: 
0
Easy: 
1
Find all x such that the statement is true. |−1−x|=−1−x
x∈(−∞;−1]
x∈(−∞;1]
x∈[1;∞)
No such x exists.