write an answer in the form of rooted ax+b=x+c
lets solve for a ax+b=x+cstep 1:add -b to both sidesax+b-b=c+x+-bstep 2:divide both sidesax=-b+c+xax/x=-b+c+x/xa=-b+c+x/xanswer:a=-b+c+x/x