Question 696660
{{{(x-2(x-1)-x)/2+1}}}


{{{(x-2x+2-x)/2+1}}}


{{{(-2x+2)/2+1}}}


{{{(2(-x+1))/2+1}}}


{{{-x+1+1}}}


{{{-x+2}}}


Answer: {{{-x+2}}}