SOLUTION: One of the steps jon used to solve an equation is shown: 3x+9-6x=24 3x-6x+9=24 What procedure and property were used??

Algebra ->  Distributive-associative-commutative-properties -> SOLUTION: One of the steps jon used to solve an equation is shown: 3x+9-6x=24 3x-6x+9=24 What procedure and property were used??      Log On


   

Question 1013280: One of the steps jon used to solve an equation is shown:
3x+9-6x=24
3x-6x+9=24
What procedure and property were used??
Answer by fractalier(6550) About Me  (Show Source):
You can put this solution on YOUR website!
That would be the commutative property of addition, even though he exchanged the positions of the +9 and the -6x...the commutative property says order does not matter if you are adding...that does not mean that 6-9 = 9-6...