Respuesta :

To determine what the value, is simply convert this word expression into an algebraic one.

Sum of n and 21 = n + 21

To find out the value, plug in n = 8.

N + 21
8 + 21
29.

Noni is looking for the value of 29.

Answer:

if n = 8 then the answer is 29

Step-by-step explanation: