document.write( "Question 824664: find the equation of the line which passes through the point of intersection of 5x-3y+2=0 and x+3y+1=0 and is parallel to 2x+3y+3=0 \n" ); document.write( "
Algebra.Com's Answer #496644 by josmiceli(19441)\"\" \"About 
You can put this solution on YOUR website!
First find the intersection:
\n" ); document.write( "Add the equations:
\n" ); document.write( "\"+5x+-+3y+%2B+2+=+0+\"
\n" ); document.write( "\"+x+%2B+3y+%2B+1+=+0+\"
\n" ); document.write( "\"+6x+%2B3+=+0+\"
\n" ); document.write( "\"+6x+=+3+\"
\n" ); document.write( "\"+x+=+1%2F2+\"
\n" ); document.write( "and
\n" ); document.write( "\"+x+%2B+3y+%2B+1+=+0+\"
\n" ); document.write( "\"+1%2F2+%2B+3y+%2B+1+=+0+\"
\n" ); document.write( "\"+3y+=+-3%2F2+\"
\n" ); document.write( "\"+y+=+-1%2F2+\"
\n" ); document.write( "The intersection is (1/2, -1/2 )
\n" ); document.write( "--------------
\n" ); document.write( "Now find the slope of \"+2x+%2B+3y+%2B+3+=+0+\"
\n" ); document.write( "\"+3y+=+-2x+-+3+\"
\n" ); document.write( "\"+y+=+-%282%2F3%29%2Ax+-+1+\"
\n" ); document.write( "The slope is \"+m+=+-2%2F3+\"
\n" ); document.write( "------------------------
\n" ); document.write( "I can write the general point-slope equation:
\n" ); document.write( "\"+%28+y+-+%28-1%2F2%29+%29+%2F+%28+x+-+1%2F2+%29+=+-2%2F3+\"
\n" ); document.write( "\"+y+%2B+1%2F2+=+-2%2F3%2A%28+x+-+1%2F2+%29+\"
\n" ); document.write( "\"+y+%2B+1%2F2+=+%28-2%2F3%29%2Ax+%2B+1%2F3+\"
\n" ); document.write( "Multiply both sides by \"+6+\"
\n" ); document.write( "\"+6y+%2B+3+=+-4x+%2B+2+\"
\n" ); document.write( "\"+6y+=+-4x+-1+\"
\n" ); document.write( "\"+y+=+%28-2%2F3%29%2Ax+-+1%2F6+\" answer
\n" ); document.write( "---------------------
\n" ); document.write( "check:
\n" ); document.write( "does it go through (1/2, -1/2) ?
\n" ); document.write( "\"+y+=+%28-2%2F3%29%2Ax+-+1%2F6+\"
\n" ); document.write( "\"+-1%2F2+=+%28-2%2F3%29%2A%281%2F2%29+-+1%2F6+\"
\n" ); document.write( "\"+-1%2F2+=+-1%2F3+-+1%2F6+\"
\n" ); document.write( "\"+-3%2F6+=+-2%2F6+-+1%2F6+\"
\n" ); document.write( "\"+-3%2F6+=+-3%2F6+\"
\n" ); document.write( "OK\r
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