what is the solution of the system equation?
-2x+y=3
8x-4y=-12

- anonymous

what is the solution of the system equation?
-2x+y=3
8x-4y=-12

- jamiebookeater

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- anonymous

First solve for y in the first equation

- anonymous

Can you do it?

- anonymous

yeah its y=-2x+3

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## More answers

- anonymous

Watch your negative sign

- anonymous

Do you want to use elimination method or substitution method to solve this problem?

- anonymous

substitution

- anonymous

Okay, retry to solve the first equation for y.

- anonymous

idk cause thats how i thought u do it

- anonymous

-2x + y = 3
+2x -2x + y = 3 + 2x
y = 3 + 2x

- anonymous

are u sure??

- anonymous

You have to reverse the sign

- anonymous

yes

- anonymous

okay nvm i see how u did it

- anonymous

now we will substitute this into the second equation

- anonymous

8x - 4(3 + 2x) = -12

- anonymous

ok

- anonymous

can you solve for x by yourself now?

- anonymous

i got 0

- anonymous

There is something wrong. Double check your problem and make sure you typed the original correctly
8x - 12 - 8x = -12
0=0
The x term drops out completely, this shouldn't happen

- anonymous

yeah i guess so thats why i ased cause i was getting confused

- anonymous

I want to go back to this equation 8x - 12 - 8x = -12
rewritten as 8x - 12 = 8x - 12
lets get rid of the -12
8x = 8x then the 8's
x=x
So we can see that x equals all real numbers

- anonymous

This question is written badly. You are positive this is the correct question?

- anonymous

yes

- anonymous

I'm going to admit that I am confused as to our answer as well. Because x can equal anything which gives us an infinite amount of solutions.
x=y/2 - 3/2
8(y/2 - 3/2) - 4y = -12
4y -12 - 4y = -12
y can be anything as well
I'd say there is any infinite amount of solutions

- anonymous

This is a weird problem. Sry that I couln't help get an exact answer. All of our steps our correct, we didn't make any mistakes

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