Question

Which of the following properties is not used to simplify the expression in the steps below?
y + 5x - 5(x - y)
y + 5x + 5y
y + 0x + 5y
y + 0 + 5y
0 + y + 5y
0 + 1y + 5y
0 + 6y
6y

1.Commutative Property of Addition

2. Zero Property of Multiplication

3. Identity Property of Addition

4. Associative Property of Multiplication

Answer 1

@alexandria_15 do you know each of the properties?

Answer 2

no. to be honest i dont.

Answer 3

1.Commutative Property of Addition
a+b=b+a

check if we have used this property anywhere?

Answer 4

basically it looks like it does. but Im thinking No.

Answer 5

i hada hard time working only on this problem.

Answer 6

y+0
0+y
It's used here

Answer 7

okay. i think im kind of getting it. thank you Ash.