Question

Jillian wanted to determine the difference of 7 and a number, n. She wrote in a table several possible expressions she could use to represent this. Which is the correct expression number?

Answer 1

Answer:

$7-n$

Step-by-step explanation:

Let

n------> a number

we know that

The expression " the difference of $7$ and a number n" is equivalent to say " Subtract a number n from 7"

therefore

the algebraic expression is equal to

$7-n$

Answer 2

The answer is 2, I took the test.