2x+1/3-4x-x2/12=x2-4/9
2x+1/3-4x-x•1/6=x•2-4/9 2x+1/3-4x-x•1/6=2x-4/9 2x+1/3-4x-1/6x=2x-4/9 1/3-4x-1/6x=-4/9 6-72x-3x=-8 6-75x=-8 -75x=-8-6 -75x=-14 x=14/75