Question 638164
{{{x-y=2}}}

{{{x-2=y}}}

for linear function you need two points to graph it:

if {{{x=0}}}-> {{{y=-2}}}


if {{{y=0}}}-> {{{x=2}}}


{{{ graph( 600, 600, -6, 5, -10, 10, x-2) }}}