Question 1081703
Midpoint of the given two
{{{(1+5)/2=6/2=3=x}}}
{{{(3+1)/2=4/2=2=y}}}
MidPoint: (3,2)



Parallel to line  {{{2x-y+5=0}}}
{{{2x-y=c}}}
{{{2x-y=2*3-2}}}
{{{highlight(2x-y=4)}}}  or  {{{2x-y-4=0}}}