<h3>(4x + 7y) + 5z = 4x + (7y + 5z)</h3>
It's an Associative property (a + b) + c = a + (b + c)
<h3>Answer: A)</h3>
You just divide 15 by 3 and that equals 5
Step by step subtract 20 from both sides and then subtract 20 from 9 to get -11
Answer: C=-11
-5 because a negative plus a negative is a positive this is why it is the right answer
