What did Jenny do wrong?
Jenny’s Work Number Property Used
8x + 6y + 2(x – y) – 6 Given
1) 8x + 6y + 2x – y – 6 Distributive Property
2) 8x + 2x + 6y – y – 6 Associative Property of Addition
3) 10x + 5y – 6 Combine Like Terms

Question

What did Jenny do wrong?
Jenny’s Work                 Number Property Used
8x + 6y + 2(x – y) – 6     Given 
1) 8x + 6y + 2x – y – 6    Distributive Property
2) 8x + 2x + 6y – y – 6    Associative Property of Addition
3) 10x + 5y – 6                Combine Like Terms

anonymous · Answer

i don't think she did anything wrong

anonymous · Answer

actually, i think she should have named the last step "Addition" instead of "combining like terms"

anonymous · Answer

@Vocaloid

vocaloid · Answer

there is an error in the distributive property

vocaloid · Answer

2(x-y) = 2x-2y

anonymous · Answer

yes

anonymous · Answer

and there are no errors on the Associative Property or the last one but is "combine the like terms" the right choice of words? @Vocaloid

vocaloid · Answer

yes

vocaloid · Answer

"combining like terms" means adding the x's together and the y's together

anonymous · Answer

ok thank you i need help with one more please

vocaloid · Answer

actually step 2 should be the commutative property not the associative property

vocaloid · Answer

commutative means switching the order of the numbers, associative means switching the location of parentheses

anonymous · Answer

ohhhhhh