please help
If x - 7 = 10, then x - 7 + 7 = 10 + 7.
This is an example of which property below?

Question

please help 
If x - 7 = 10, then x - 7 + 7 = 10 + 7.
This is an example of which property below?

lgbasallote · Answer

look closely:

x - 7 = 10

then

x - 7 + 7 = 10 + 7

what do you think changed?

anonymous · Answer

i know what changed i just dont know what property it is

lgbasallote · Answer

if you know what changed...then you'll know what property it is....so if you don't know what property it is...that means you don't know what changed

so what changed?

anonymous · Answer

is it the Commutative Property for Addition

lgbasallote · Answer

do you know what changed or not?

anonymous · Answer

yeah the 7 you add it to both sides

lgbasallote · Answer

that's right. so if you add to both sides...it's called addition property

lgbasallote · Answer

commutative property is this

a + b = b + a

lgbasallote · Answer

commutative property is changing the order

anonymous · Answer

oh okay i see thank you (:

lgbasallote · Answer

welcome