Question 842016
Parallel lines will have the same form,
{{{5x+5y=b}}}
Use the point to solve for {{{b}}}.
{{{5(9)+5(1)=b}}}
{{{b=45+5=50}}}
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{{{5x+5y=50}}}
{{{5y=-5x+50}}}
{{{highlight(y=-x+10)}}}