If the solution of the equations x + y = 10 and x - y = 2 corresponds to the equations 2x + 2y = 20 and 2x - 2y = 4, what is the corresponding solution for the equations 3x + 3y = 30 and 3x - 3y = 6?
If the solution to the system of equations 5x - 2y = 3 corresponds to the point (1, 1), which of the following systems corresponds to the point (2, 3)?