1+2x/4-1/6x=-3-1/12*(6-x)
(12+6x-2x)/12=-3-1/2+x/12 (12+4x)/12=(x-42)/12 (12+4x)/12-(x-42)/12=0 (12+4x-x+42)/12=0 (54+3x)/12=0 (3*(18+x))/12=0 (18+x)/4=0 18+x=0 x=-18