1/8х-3-1/8х+3 решите и в конце упростите
1/8x-3-1/8x+3=1/8x-3·(8x)\8x-1/8x+3·8x/8x=1/8x-24x/8x-1/8x+24x/8x=(1-24x-1+24x)/8x=0/8x=0