Find the point of intersection of the lines and .Problem:

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.