Answer:
Option B ( 1, -1 )
Explanation:
We have to find the solution of the system of equations given in the graph.
Since solution of the equations is defined by the point of intersection of the lines or common points of these lines.
Since point of intersection of these lines is ( 1, -1 ), solution of the system of equations will be ( 1, -1 ).
Option B ( 1, -1 ) is the answer.