Tìm x

Giúp mk nha mn 
a) x+2/2008+x+3/2007+x+4/2006+x+2028/6 =0
b) x+5/4-2x-3/3 = 6x-1/8+2x-1/12
c) x+1/65 + x+3/63 = x+5/61+x+7/59
d) 2(3x+5)/3-x/2 = 5-3(x+1)/4