Question

Thu wants to play guess my number. She states, When I triple my number and add five, I get twenty-six. What is my number? What is her number? Show how you know.

Answer 1

3x+5=26
3x=21
x=7

7 is her number.

Answer 2

Her number is 7.

Explanation:

Thu wants to play guess my number.

Let her number be 'n'.

As per Thu's statement "When I triple my number and add five, I get 26."

The expression will be

3x + 5 = 26

3x = 26 - 5

3x = 21

x =
`(21)/(3)`

x = 7

Her number is 7.