Question 1082348
Line wanted has slope m;
{{{-1/m=(5-4)/(2-3)=1/(-1)=-1}}}
-
{{{m=1}}}


Midpoint, {{{(2+4)/2=3}}}, {{{(5+3)/2=4}}},
(3,4)


{{{y-4=(x-3)}}}
{{{y=x-3+4}}}
{{{highlight(y=x+1)}}}