Question

9x-9y=18

7y-3x=-8

Answer 1

this will be a fraction this is last 1 of 2 i only have one more after this

Answer 2

I'm guessing you want to solve for x and y?

Answer 3

(-7/2, -11/2)

Answer 4

Hey QED, I want to see you show your steps

Answer 5

i got y=-2

Answer 6

I notice you've been posting only answers but no steps

Answer 7

multiply second eqn by -3...
add the two eqns....
solve for x....
plug into one of the two eqns to solve for

Answer 8

you sure qed?

Answer 9

no QED please try again

Answer 10

im positive i dont make mistakes :P

Answer 11

Apparently not

Answer 12

x = 3/2, y = -1/2

Answer 13

my answer works...

Answer 14

and is right

Answer 15

y=-2
x=4

Answer 16

no i typed it in, and it was wrong sorry pretty please try again

Answer 17

no?

Answer 18

oh flutter nvm i treated x as y in the second eqn

Answer 19

Arrogance never prevails

Answer 20

check mine

Answer 21

(5/2,1/2)

Answer 22

my bad i rushed it and saw x instead of y haha

Answer 23

x = 3/2, y = -1/2

Answer 24

is yeager barbie here?

Answer 25

*-1/2

Answer 26

5/2,-1/2 is also incorrect i only get one more try :(

Answer 27

i posted 5 min ago with the correct answer :)

Answer 28

its (3/2,-1/2)

Answer 29

i said that like 2 times dude

Answer 30

Well, at least we know that QED is human

Answer 31

san Q

Answer 32

ya thats my bad i solved the 2nd eqn with x switched with y haha

Answer 33

yeah sorry i typed 5/2
qed your last remark was correct ok guys last question and i finally pass one paper lol here it is

Answer 34

yeah I thought thts what happened

Answer 35

haha i am human, im a math major at McGill :)

Answer 36

.05x+.25y=66
.15x+.05y=72

Answer 37

(420,180)

Answer 38

forsure

Answer 39

yay ty so much QED ill need to borrow you again what times are you usually on here?

Answer 40

i wish i remembered Cramer,s rule for these...

Answer 41

haha cramers rule would take forveer lol...why complicate things

Answer 42

im usually on at night when im bored

Answer 43

but it`s keeps me from making mistakes with fractions

Answer 44

netflix is boring, this is fun

Answer 45

haha

Answer 46

chem e major in minnesota btw... so i'm up studying regardless

Answer 47

same....math major at McGill

Answer 48

ok idc how i am about to sound but QED can i get your number to call or text you to get on so i can get help please i promise im not wanting anything but math help

Answer 49

email me haskell.chai@mail.mcgill.ca

Answer 50

ok that works too ty my email is yeagerbarbie@yahoo.com just so you know who i am when i email!

Answer 51

cool