Question 912236
{{{y=-(1/2)x-5}}}
A parallel line would have identical slope.
Use the point-slope form of a line,
{{{y-(-1)=-(1/2)(x-7)}}}
{{{y+1=-(1/2)x+7/2}}}
{{{y=-(1/2)x+7/2-2/2}}}
{{{y=-(1/2)x+5/2}}}