Question

JUST NEEDED TO BE CHECKED!
Solve the system x + y = 6 and x - y = 2. What is the value of x?

OPTIONS: 6
2
4
0
WILL GET A MEDAL!

Answer 1

just need it to be checked!

Answer 2

What did you get

Answer 3

I got ..

Answer 4

2

Answer 5

that's not correct, this might help

x+y = 6
x-y = 2


Add the equations to get


x+y = 6
x-y = 2
---------
2x+0y = 8

So

2x = 8

which means

x = ???

Answer 6

Its four! dang it... the way I did was plug 2 in for X, and then guessed y... so...
2 + 4 (my guessed y) = 6 which worked
2-4 (my guessed y) = 2... I now just realized that it was negative 2... i did divided by... ohh. stupid me... sorry

Answer 7

Please dont tell me i got it wrong again! :(

Answer 8

yeah that gets a lot of people

2-4 = -2 not 2-4 = 2

technically they both have the same magnitude, just different sign

just keep 2-4 in mind to mean "you have $2 and you spend $4 to have the balance land to -2 dollars...ie you are 2 dollars in debt"

Answer 9

no you are correct, x = 4, y = 2

x+y = 6
4+2 = 6
6=6... works

x-y = 2
4-2=2
2=2...works

Answer 10

I feel stupid... thanks so much! if I could give you 1000 medals i would... but I cant I became a fan though! So thanks so much!

Answer 11

you're welcome

Answer 12

one medal is fine, but I appreciate the thought