1/8{1/6[1/4(1/2x-1+3)+5]+7}=11/8{1/6[1/4(1/2x+2)+5]+7}=11/6[1/4(1/2x+2)+5]+7=81/6[1/4(1/2x+2)+5]=11/4(1/2x+2)+5=61/4(1/2x+2)=11/2x+2=11/2x=-1x=-2