Find the solution of the system of equations. (If the system is dependent, enter dependent. If there is no solution, enter no solution.)
5x + 3y = -2
3x + 7y = 4
a) (x, y) = (-2, 2)
b) (x, y) = (1, -1)
c) (x, y) = (2, -2)
d) No solution