Question 1123598
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straight line that passes through the point (p,v) and is parallel to the line with equation Ax+By+C=0
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The part of expression  {{{Ax+By}}} stays the same.
Only C changes, according to the point that the line must include.


{{{highlight_green(Ax+By-(px+vy)=0)}}}.
Use this for your example.


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{{{3x+4y=8}}}
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{{{3x+4y=3*2+4*3}}}
{{{3x+4y=6+12}}}
{{{3x+4y-18=0}}}