Question 179328
Start with the point slope form,
{{{y-y[p]=m(x-x[p])}}}
and then convert to point slope form,
{{{y=mx+b}}}
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{{{y-y[p]=m(x-x[p])}}}
{{{y-2=-4(x-6)}}}
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From here rearrange the equation to point slope form. 
Repost if you need more help.