100 points, ? explanations are appreciated (: ill give brainliest too

3x = 27 is your answer

The addition of equality states that "if you add on one side, you must add the same number to the other side."

This is true, for you add 1 to each side (doing the opposite of PEMDAS to isolate the x)

C is your answer

Hope this helps

since proposition states that a number is greater than 25, if is true then the number must actually be greater than 25.

this implies that all possible options, except 24, can be accepted