Question

Anna found the difference between thirteen and the product of four and a number. Which expression represents this phrase, and what is its value if n = 3?

Answer 1

1

Step-by-step explanation: 13-4n ; when n = 3 the value is 1

Answer 2

The first thing we must do for this case is to define a variable.
We have then:
n: unknown number.
We write the algebraic expression:
13 - 4n
For n = 3 we have:
13 - 4 (3) = 13 - 12 = 1
Answer:
An expression that represents this phrase is:
13 - 4n
its value if n = 3 is:
1