Solve for X. 3X -8 is less than or equal to 23 and negative 4X +26 is greater than or equal to six. Choose one answer:
A: x is less than or equal to 31/3
B: x is less than or equal to 5
C: 5 is less than or equal to x and x is less than or equal to 31/3
D: there are no solutions
E: all values of x are the same