What is the solution to the system of equations?

3x − 6y = −12−x + 2y = 8

a.) Use the substitution or elimination method to solve the system of equations. Please show your work to receive full credit. (3 points)

b.) Based on your answer what do you know about the two lines in this system of equations on a graph? Are the lines parallel, do they intersect at a point or are they the same line? (3 points)