Anyone will fane and medal
Solve the following system:
y = x + 3
3x + y = 19
(7, 4)
(−4, 7)
(4, 7)
(4, −7)

- anonymous

- jamiebookeater

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- abb0t

What's "fane" ?

- anonymous

@jjamz87 ? have a clue

- anonymous

its a typo **** i meant fan

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## More answers

- anonymous

- jjamz87

Ok. I'll explain it as well.

- anonymous

please i really wanna understand , not just get the answer ^^ (:

- pooja195

Plug in equation 1 into equation 2
3x + (x+3) = 19
now solve for x

- pooja195

Combine like terms :)

- anonymous

oh okay so it would be 4x+3=19

- abb0t

You can rearrange, using algebra tricks, to manipulate an substitute.
That means you can rearrange equation 1: \(\sf \color{red}{y-3 = x}\)
notice it says x equals y - 3?
well, yeah, thats what it equals to, so substitute THAT thing that x equals to into equation 2: \(\sf \color{blue}{3}(\color{red}{y-3})\color{blue}{+y=19}\)

- pooja195

right subract 3 from both sides
4x=19-3

- jjamz87

y = x + 3
3x + y =19
plug in the first equation into y
3x + (x + 3) = 19
simplify
3x + x + 3 = 19
4x = 16
divide 4 from both sides.
x = 4

- anonymous

4x=16

- pooja195

whats 16/4 ?

- abb0t

4

- anonymous

4

- pooja195

good therfore x=4
now plug that into the 1st equation y=4+3
whats 4+3?

- anonymous

okay so i just have to rearrange @abb0t for these questions
and plug it in to the other equation

- anonymous

thank you @jjamz87

- pooja195

@awlas15 rearraging makes it more complicated you can leave it as is...

- pooja195

*rearranging

- anonymous

ohh okay so then the answer 4,7

- pooja195

yep

- abb0t

No. Do not listen to her, rearranging is much easier.

- abb0t

It is simply plug and chug and combining like terms.

- jjamz87

@awlas15 yes you are correct

- abb0t

Nice one @jjamz87

- pooja195

@abb0t quit trying to make things more harder than they need to be.

- abb0t

Good job, @awlas15

- abb0t

If you need any more answers, tag me :)

- jjamz87

Y'all stop fighting I have already answered the question.

- anonymous

thanks everyone !!! how can i give you guys all medals ): and i guess harder is more better to @abb0t perspective

- abb0t

You did a fabulous job, @awlas15

- pooja195

Giving the answer is not necessarily helping. But ok. Whatever.

- jjamz87

Excuse me but I explained it.

- abb0t

Sounds like someone is mad that they earned the medal and they didn't. Ouchies! Some people are better at explaining than others :)

- pooja195

LOL i dont care about medals

- pooja195

Anyways if a mod does nothing why should i? Aight have a nice day.

- anonymous

seriously guys thanks i mean its cause i asked him first but if anything ill give you a medal on any other question I'm sorry @pooja195 but seriously thank you guys and quite fighting i understood it thats the point of open study @pooja195 @jjamz87 @abb0t but AGAIN I THANK YOU I REALLY DO APPRECIATE IT LIKE SERIOUSLY THANKS

- pooja195

@awlas15 i dont care about medals

- anonymous

I know but i feel bad i wanna give you a medal as well i hate how i can not but really thank you seriously mean a lot @pooja195

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