Choose the correct graph of the given system of equations. y + 2x = −13y − x = 4

a.)graph of two lines that intersect at the point negative 1, 1, with text on graph that reads one solution negative 1, 1
b.) graph of two lines that intersect at the point 1, 1, with text on graph that reads one solution 1, 1
c.) graph of two parallel lines with positive slopes with text on the graph that reads no solution
d.) graph of two lines on top of each other with text on graph that reads infinitely many solutions