Question

Best answer gets a fan! Please help!

Which of the following properties is not used to simplify the expression in the steps below?

y plus 5 times x minus 5 times the quantity x minus y
y plus 5 times x minus 5 times x plus 5 times y
y plus zero times x plus 5 times y
y plus zero plus 5 times y
zero plus y plus 5 times y
zero plus 1 times y plus 5 times y
zero plus 6 times y
6 times y

Commutative Property of Addition

Zero Property of Multiplication

Identity Property of Addition

Associative Property of Multiplication

Answer 1

associative property is not used because nothing is regrouped; all the other properties are clearly present

Answer 2

Thanks! And thank you for explaing it to!

Answer 3

anytime :)