SOLUTION: I need to solve the following by elimination: 3x+2y=-I1 x-2y=11 I get -5/2, 17/4). The correct answer is (3,-4). I don't understand how that answer was reached. Can you p

Question 1064396: I need to solve the following by elimination:
3x+2y=-I1
x-2y=11
I get -5/2, 17/4). The correct answer is (3,-4). I don't understand how that answer was reached. Can you please show me how it is worked out.
Answer by Edwin McCravy(20056) (Show Source): You can put this solution on YOUR website!


I think you must have copied it wrong.  To have the solution
(3,-4) it would have to be



not 




Put a 1 where you have -I1 then it comes out the answer (3,-4).
You can eliminate y just by adding the two equations term by 
term.

If you have trouble tell me in the thank-you note form below
and I'll get back to you by email.

Edwin

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