Question 1198735
{{{-4y=-x+3}}}
{{{y=(1/4)x-4/3}}}


Slope must be  {{{-4}}}, for perpendicular line but not yet know constant on the right member.


{{{y=-4x+b}}}
-
{{{b=y+4x}}}
{{{b=10+4*2}}}
{{{b=18}}}
-
Equation wanted,{{{ y=-4x+18}}};
If want in the same form as was given, then  {{{4x+y=18}}}