Question 241757
{{{y=(8-x)/2}}}
Is the same as:
{{{y=(8/2)-(x/2)}}}
When we simplify, we get:
{{{y=4-x/2}}}
Which is the same as:
{{{y=-x/2+4}}}
Which is also the same as:
{{{y=-(1/2)x+4}}} <--- Here's your y=mx+b format.
.
Done!  :)