please help simplify these three math questions!
32)4x-(3x-2x+x) 4x-3x+2x-x 2x34)7(2-3x+12+4x-24) 14-21x+84+27x-168 7x-4236) 8(2x-3/2x-5/4) 16x-12x-10 4x-10