Since arithmetic sequences add or subtract, your answers would be I and IV. The answer is C.
Answer:
x-2=x x=0
No Solution
x+1=1-x
Cancel 1 on both sides
Subtract −x from both sides
x+x=0
Simplify x +x to 2x
2x=0
x=0
Check Answer
0+1=1-0
1=1-0
1=1
