asked 28.6k views
2 votes
Which property was used to simplify the expression?

3c+9+4c+=3c+4c+9


distributive property
commutative property
associative property
inverse property

asked
User Urboss
by
8.1k points

1 Answer

5 votes

Answer:

(b) commutative property

Explanation:

The "simplified" expression has the positions of the last two terms in the sum swapped. The property of addition that lets you change the order of the terms is the commutative property of addition.

answered
User Kelso Sharp
by
8.2k points
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