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May 22, 2015

Homework Help: HELP!!!!!!!! please!!!!!

Posted by andrea on Thursday, February 22, 2007 at 10:36pm.

solve the system using substitution

{x+2y=11
{3x+2y=13

i just told you how to do the other one; it's the same exact method. solve for x and y. you get: x=-2y+11 and y=(-1/2x)+(11/2). then plug them both back into the original equation (either one, it doesn't matter); you get, x=11, and y=0. the points would be (11,0)

thats not one of the options on the multiple choice though....
they are....

a-(1,5)
b-(16,-2.6)
c-(-1,6)
d-(12,-0.5)

I'm so sorry, I put 11 where I should have put 13. The answer is A) 1,5. That's right. Sorry again.

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