Solve the system
3x+2y=−13x+2y=−1
x−2y=5
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: −116−2y=5,−2y=8116,2y=−8116,y=−8132.