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Solve each of the following simultaneous inequalities and illustrate your answers on a number line:
(a) #1/2-1/4xlex≤2#
(b) #12 – x ge 5le2x – 2#
(c) #-4x lt6le8x#
(d) #3x - 2ge-4le-1-2x#
(e) #6x - 13le17lt8x-7#
(f)# 2x+3gt5x-3gt-8#