SOLUTION: i need to justify each step. 5(n+4)+9=(5n+20)+9n =5n+(20+9n) =5n+(9n+20) =(5n+9n)+20

Algebra ->  Expressions -> SOLUTION: i need to justify each step. 5(n+4)+9=(5n+20)+9n =5n+(20+9n) =5n+(9n+20) =(5n+9n)+20       Log On


   

Question 100944This question is from textbook pre-algebra
: i need to justify each step. 5(n+4)+9=(5n+20)+9n
=5n+(20+9n)
=5n+(9n+20)
=(5n+9n)+20
=(5+9)n+20
=14n+20

 This question is from textbook pre-algebra

Answer by elima(1433) About Me  (Show Source):
You can put this solution on YOUR website!
I'm not sure what you are asking, you do have this part of the equation correct so far. Is that all you needed or do you need help solving?
:)