Question

Which algebraic expression is equivalent to the expression below?

--------------------------
(4n + 14) + (6 + 7n)
--------------------------

A. 24n + 7

B. 10n + 21

C. 18n + 13

D. 11n + 20

Answer 1

Answer:

D

Step-by-step explanation:

Combine like terms 4n can only be added with 7n and 14 can only be added to 6

Answer 2

Answer:

11n + 20

Step-by-step explanation:

Because all of the signs are + , the parentheses can be removed.

Next, combine like terms:

4n + 14 + 6 + 7n = 11n + 20

None of the three given possible answers is correct.