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Solve the system

3x+2y=−13x+2y=−1

x−2y=5

 Sep 20, 2018
 #1
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We have 3x+2y=−13x+2y=−1 and x−2y=5.

Simplifying the first equation: 3x+2y=-13x+2y, 16x=0y, so 16x=-1, and x=-1/16.

Plugging the value of x in our second equation: 1162y=5,2y=8116,2y=8116,y=8132.

 Sep 20, 2018

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