Friday
September 19, 2014

Homework Help: math 116

Posted by dedee on Saturday, August 1, 2009 at 11:33pm.

I am taking math 116 , I am to find the solution to the problem 9x-3y=-68 and -2x+y=18 and to give an ordered pair. Now, that you have it where you take 9x from both sides, or is it 3y? My question is when you just have y do you count that as one(y) , I try to work the problem and every time I do the substitution for both sides I come up with several different answers. I have worked on this most of the afternoon, and just can't figure out where Iam going wrong. I add , sub. and divided on my own then I recheck it with a calulator. I still come up wrong. One answer says 272, 204, 9=one of the points, 4 =equals another, Please help me, I am so confused over just what the steps are and if I am chooing the right variable to multiply or do away with.

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