The equation is simply 8s where s is the length of a side. There are 8 sides. You are just adding the length of all 8 sides together to get the perimeter.
Answer:

Step-by-step explanation:
Given : Expression 
To find : Combine like terms to create an equivalent expression ?
Solution :
Step 1 - Write the expression,

Step 2 - Apply distributive property, 


Step 3 - Combine like terms,




Therefore, 
Answer:
Step-by-step explanation:
The product of eight and some number n is equal to 42
Answer:
Look on the internet , It's easy