Use​ Cramer's rule to find the solution set.[begincases 5x - 4y = 7 6x + 3y = 24endcases ]
a. ( (x,y) = (3,5) )
b. ( (x,y) = (4,6) )
c. ( (x,y) = (2,3) )
d. ( (x,y) = (1,2) )