A system of equations is shown below.
x-3y=1
5x+2y=4
Which of the following describes possible first steps in correctly solving the system using the elimination method?
A Multiply the first equation by –4 and then add the two equations.
B Add 1 to the second equation and then add the two equations.
C Multiply the first equation by -5 and then add the two equations.
D Add –5 to the first equation and then add the two equations.