SOLUTION: What property justifies these steps? 6a + (8b +2a) =(6 + 2a) +8b =8a + 8b 8a^2 + (8a+a^2) +7a =(8a^2 + a^2) + (8a +7a)

Algebra ->  Distributive-associative-commutative-properties -> SOLUTION: What property justifies these steps? 6a + (8b +2a) =(6 + 2a) +8b =8a + 8b 8a^2 + (8a+a^2) +7a =(8a^2 + a^2) + (8a +7a)      Log On


   

Question 91745: What property justifies these steps?
6a + (8b +2a)
=(6 + 2a) +8b
=8a + 8b


8a^2 + (8a+a^2) +7a
=(8a^2 + a^2) + (8a +7a)
Answer by mathispowerful(115) About Me  (Show Source):
You can put this solution on YOUR website!
In both expressions, commutative property is used, since the order of algebraic terms is changed.