Question

Which of the following properties tells us that 3 x + the quantity of 2 y + 4 = the quantity of 3 x + 2 y + 4?

Answer 1

what does "the quantity of " mean?

Answer 2

A. Commutative Property of Addition
B. Associative Property of Addition
C. Distributive Property
D. None of the above

Answer 3

still not clear what "the quantity of" means

Answer 4

can you write it as you see it written? i doubt the question has those words in it

Answer 5

\[3x+(2y+4)=(3x+2y)+4\]

Answer 6

oh parentheses

Answer 7

if the parentheses move, that is the "associative property"