Question 43845
{{{y-1=-(x-3)/2}}}
{{{y=1-(x-3)/2}}}
{{{y=12.5-x}}}

{{{ graph( 300, 200, -6, 20, -10, 14, 12.5-x) }}} 

I hope this helps.

P.S. I am trying to start up my own homework help website. I would be extremely grateful if you would send me your feedback on my help to adam.chapman@student.manchester.ac.uk.