Respuesta :

The first, second, and third answers are correct.

Answer:

the first , second, third,

Step-by-step explanation

x-3=0

add 3 on both sides you get 3 as the answer.

6=2x

divide 2 from both sides you get 3 as the answer

5x=15

divide 5 from both sides you get 3 as the answer

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