Question #7: No response
Let $L_1$ denote the line that passes through the point (-1, 2, 3), and is parallel to both the yz-plane and the plane 2x - y + z = 3.
Let $L_2$ denote the line that passes through the point (-1, 1, 0), and is orthogonal to the xz-plane.
The lines $L_1$ and $L_2$ intersect at the point ( , , ).
Blank 2: Input an expression below (DO NOT ROUND)