Answer :

clairebearrr63
i think it would be the first option
firedude2827

Answer:

i believe it is a

Step-by-step explanation:

i think this because the 2 choice would not work because it does not have x in it

the third one would not work because it is the same as the 2 one

the fourth one would not work because it would =1x

so it is a

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