Use an augmented matrix to solve the system. What is the Value of x and y?x+y=53x-y=-1A. (1,4)B. (1,5)C. (3,-1)D. (5,-1)When converting a linear equation into an augmented matrix, which equation form is needed?A. Slope-intercept formB. Negative formC. Graph formD. Standard formWhat does the vertical line in an augmented matrix represent?A. x - ValueB. y - Value C. Equals sign D. Line on a graph