What is the y-intercept of the equation 2x + 3y = 12?
-2/3
4
6
12

- anonymous

What is the y-intercept of the equation 2x + 3y = 12?
-2/3
4
6
12

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- Astrophysics

Hey set it up in y = mx+b (b = y - intercept) format that way you will be able to see the y - intercept clearly.

- Astrophysics

So solve for y, do you know how to do that?

- anonymous

yes

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## More answers

- ganeshie8

do it

- anonymous

ok

- ganeshie8

2x + 3y = 12
start by subtracting 2x both sides

- Astrophysics

What do you mean

- anonymous

u - 2x from 12 =10 2x - 3y and u get 1y

- ganeshie8

remember this in algebra :
you can't add/subtract apples and coconuts

- ganeshie8

2x + 3y = 12
subtracting 2x both sides :
2x + 3y = 12
-2x -2x
you should get :
3y = 12 - 2x

- anonymous

ok

- ganeshie8

but "y" still has that 3 attached to it
how to get rid of that 3 ?

- Astrophysics

Often for these algebraic problems to move something to the other side we use the opposite operation of what already exists, so since there's a 3 attached to the y, which means it's being multiplied.
What can we do to get rid of the 3?

- Astrophysics

Don't worry about being wrong, say what ever is on your mind it's ok

- anonymous

c

- anonymous

its b

- anonymous

i am not doing that

- Astrophysics

Yeah that's much better...haha divide both sides by 3

- Astrophysics

I've been up for 24+ hours so that's my queue xD

- anonymous

i did not delete your things

- Astrophysics

I know I did

- anonymous

ok

- ganeshie8

hey just one moment

- Astrophysics

Let me do the algebra quickly to...

- ganeshie8

4 is correct, but may i know this :
when you said below, what were you thinking ?
|dw:1440084673397:dw|

- Astrophysics

3y=12-2x
y=(12-2x)/3
y= -2x/3+4 works out

- anonymous

me or him

- Astrophysics

\(\color{blue}{\text{Originally Posted by}}\) @ltj1234
u have 10 1 y left
\(\color{blue}{\text{End of Quote}}\)
Ganeshie is asking you what you meant by your comment here

- anonymous

o ok

- ganeshie8

yes you @ltj1234

- anonymous

idk

- Astrophysics

The 10 I think you were trying to subtract 2x from 12, but you can't do that since there is a variable (x)

- ganeshie8

sure you know it ^

- ganeshie8

when you have `12 - 2x`,
you leave it like that
you can't say that equals `10` because they are not "like terms"
nevertheless, it was really a very good attempt from your side! keep it up!

- anonymous

ok

- Astrophysics

For sure, good job @ltj1234

- anonymous

thanks

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