, not .
Problem: Find the point of intersection of the lines and .
Solve the system using elementary row operations on the equations or on the augmented matrix.
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I'm doing something wrong here, and I don't know what. Can someone help?
R1 = row 1
R2 = row 2
-3*R1 + R2
(1/8)*R2
5*R2 +R1
I get and , but plugging them into the 1st equation doesn't work.