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A shop owner sold 27 books on Friday. This was 9 more than the number of books he sold on Thursday. Identify an equation and its solution that shows the number of books he sold on Thursday.
x − 9 = 27; 36 books
x + 27 = 36; 9 books
x + 9 = 27; 18 books
9x = 27; 3 books

Respuesta :

MrRoyal

The expression that shows the number of books he sold on Thursday is x + 9 = 27; 18 books

How to determine the equation and the solution?

The given parameters are

Friday sales = 27

Friday sales = 9 more than the number of books he sold on Thursday.

Let the number of books he sold on Thursday be x

So, we have

Friday = 9 + x

This gives

27 = 9 + x

Rewrite as

x + 9 = 27

Solve

x = 18

Hence, the expression that shows the number of books he sold on Thursday is x + 9 = 27; 18 books

Read more about expressions at:

https://brainly.com/question/2972832

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