Can someone please check my question/answer? Please?
When solving the equation
4(3x^2+2) – 9 = 8x^2+7, Emily wrote
4(3x^2+2) = 8x^2+16 as her first step. Which property justifies Emily’s first step?
a. Addition property of equality
b. Commutative property of addition
c. Multiplication property of equality
d. Distributive property of multiplication over addition

Question

Can someone please check my question/answer? Please?
When solving the equation 
4(3x^2+2) – 9 = 8x^2+7, Emily wrote
 4(3x^2+2) = 8x^2+16 as her first step.  Which property justifies Emily’s first step?
a.    Addition property of equality
b.    Commutative property of addition
c.     Multiplication property of equality
d.    Distributive property of multiplication over addition

abbycross167 · Answer

I think its d

ineedhelplz · Answer

No it is not D

jdoe0001 · Answer

well... how hmmm do you know is D anyway?
I mean, how did Emily apply a distribution and multiplication there?

ineedhelplz · Answer

$$4(3x ^{2}+2)-9=8x ^{2}+7$$
                      +9              +9
---------------------------
          $$4(3x ^{2}+2)=8x ^{2}+16$$

ineedhelplz · Answer

There for the answer would be A :)

ineedhelplz · Answer

Also if you need help with anymore I'll be glad to make sure you're doing it right!

abbycross167 · Answer

Well thank you very much!! You're a great help