Solve the system of equations by substitution:
1) x - 8y = 3.1
2) -8x - 9y = 11.7
A) Find the value of x and y that satisfies both equations.
B) Determine the solution set for the system of equations.
C) Solve for x and y using the substitution method.
D) Determine if the system of equations is consistent or inconsistent.
Which option best describes the appropriate next step in solving this system of equations?
