SOLUTION: how do you solve -5 n + 3 (6+7n).. can you show the work, so I can see exactly how it is done. Please.

Algebra ->  Expressions-with-variables -> SOLUTION: how do you solve -5 n + 3 (6+7n).. can you show the work, so I can see exactly how it is done. Please.      Log On


   

Question 753148: how do you solve -5 n + 3 (6+7n).. can you show the work, so I can see exactly how it is done. Please.
Answer by Okeke_Christian(26) About Me  (Show Source):
You can put this solution on YOUR website!
-5n%2B3%286%2B7n%29


Open brackets (multiply the terms in the bracket by "+3")
-5n%2B18%2B21n
Collect like terms
-5n%2B21n%2B18
=16n%2B18
And that's your answer.
PS: you can as well factorise the expression 16n%2B18 to get
2%288n%2B9%29
Hope I helped?!