Priscilla has a number riddle for her friends. She wants them to guess what number she is thinking of. She tells them that her number can be represented by the x in the equation 3x−10=26 . Her friends guess {6, 12, 13, 36} . Using substitution, which guess was the correct number?(1 point)

Question

Responses

12
12

6
6

36
36

13
13
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Answer 1

To find the correct number, we can use substitution in the equation 3x - 10 = 26.

For the guess 6:
3(6) - 10 = 18 - 10 = 8 ≠ 26

For the guess 12:
3(12) - 10 = 36 - 10 = 26

For the guess 13:
3(13) - 10 = 39 - 10 = 29 ≠ 26

For the guess 36:
3(36) - 10 = 108 - 10 = 98 ≠ 26

Therefore, the correct number is 12.