Answer:
Step-by-step explanation:

D = {x E R/ x ≠ 1 and x ≠ - 1}
I Hope I've helped you.
Answer:
x=-1
Step-by-step explanation:
The lines stand for absolute value ( how far a number is from 0), so each number should be a positive, then you just solve for x. Isolate x, then divide on both sides, and you should get -x=1, which is equal to x=-1.
The correct answer is the first one
Answer:
cant help on a test sorry
Step-by-step explanation: