The incorrect work of a student to solve an equation 2(y + 8) = 4y is shown below:
Step 1: 2(y + 8) = 4y
Step 2: 2y + 10 = 4y
Step 3: 2y = 10
Step 4: y = 5
Which of the following explains how to correct Step 2 and shows the correct value of y?
A. The equation should be y + 8 = 4y after division by 2; y = 4
B. The equation should be y + 8 = 4y after division by 2; y = 6
C. 2 should be distributed as 2y + 16; y = 4
D. 2 should be distributed as 2y + 16; y = 8

- Spring98

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- anonymous

HEYYYY

- Spring98

hi

- Spring98

can you help?

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## More answers

- anonymous

can you go on gmail..

- anonymous

and yes

- anonymous

The key to this is the distributive property, which says that 2(x+y) = 2x+2y

- Spring98

i can't! today is the last day of school for me and i need to finish my assignments!

- anonymous

Just use the distributive property to distribute the 2 for (y+8)

- Spring98

how?

- anonymous

If 2(x+y)=2x+2y then 2(y+8)=what?

- Spring98

8?

- Spring98

is it 8?

- anonymous

Just plug in "y" for x and "8" for y

##### 1 Attachment

- Spring98

it equals 4

- anonymous

Can you show me HOW you're getting these numbers? I can't tell what you're doing wrong if you don't give me any work.

- Spring98

2x+2y=4

- anonymous

The 2x+2y is just an example of how the distributive property works. It's completely unrelated to the problem.

- anonymous

##### 1 Attachment

- Spring98

16y?

- anonymous

Don't add the y and the 8.

- Spring98

2

- Spring98

so you get two?

- anonymous

2(y+8)=2(y)+2(8)

- Spring98

ho do i find the y? i need the why not the x!

- anonymous

THERE IS NO X WHAT ARE YOU TALKING ABOUT

- Spring98

now i am so confused:(

- Spring98

can you just tell me how to do this? i got confused now

- anonymous

I've already told you. I've explained it several ways. It's not a difficult question, all you need to do is use the distributive property and then get y alone.

- Spring98

? i don't see anywhere where you showed me how to get the actual y answer

- Spring98

can you just tell me witch one???????

- anonymous

As in which answer is correct?

- Spring98

the steps to the correct answer!!!!!!!!!!!!!!!!1

- anonymous

All you have to do is use the distributive property. Then get the y alone.

- Spring98

i guess i will just guess on this answer! :(

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