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Sounds like you know what you are doing .... What's the problem you are having?

Ok, first let's distribute that -(-6x+12)
Can you do that?

-6x + -72?

Think of it this way:
(-)(-6x) & (-)(12)

Because negative times negative equals a positive 6x + -12?

yes, very good
so we have
6x-12+3x=6
What will you do next?

Add 6x and 3x?

correct
9x-12=6
now what?

Substitute for y from the other equation?

Let's try to solve for x.

Sorry, I was looking at my textbook, and thought that we were onto that step.

:-)
That's ok.

Okay, so how would I go about solving for x? Also, thank you for the medal.

We have x on one side, can we get non x-values on the other side?

You would add 12 + 6? Then get 18, divided by 9x would equal 2.

Excellent:
So x=2

Okay.

What are you going to do with that x=2?

You still there?

Substitute 2 for x in either equation and solve for y? Sorry, my computer is slow sometimes.

Heh I Understand.
You are correct, good job!

Thank you! So, -y + 3(2) + 6.

-y+3(2)=6

So, -y + 6 = 6.

correct

What would I do next?

same that you did when you had 9x-12=6 and solved for x. now we are going to it for y

6 - 6 = 0 So y, would be 0?

That is correct.

Then I would substitute 0for y, and get 0 + 6 = 6.

Correct:
So your Answer is:
X=2, y=0

Okay, thank you some much for your help. If I could give you more than one medal I would.

I get what you mean, you are a very good teacher by the way.