document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=74263>Question 74263</A>: <I><SPAN STYLE=\"word-break: break-all;\"> I want to ask a queation please check to see if this is correct .If M (-7,-3) is the midpoint  of segment PQ  and the  coordinates of Q and are(6,-3).fine the  coordinates of Q .<BR>\n" );
document.write( "Please see if my problem is correct .Thanks .<BR>\n" );
document.write( "M(-7,-3)(6,-3)<BR>\n" );
document.write( "  7=3= -10  6/3=2 <BR>\n" );
document.write( "    so if -10*2=20 <BR>\n" );
document.write( "so the P IS -20.-3 </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #53282 by </B><A HREF=/tutors/aboutme.mpl?userid=Cintchr><B>Cintchr(481)</B></A><img src=\"/images/stars/stars-10.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=Cintchr><IMG SRC=http://www.algebra.com/images/aboutme-small.gif BORDER=0 alt=\"About Me\" VALIGN=MIDDLE></A>&nbsp;<IMG SRC=http://www.algebra.com/images/nopicture.jpg><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=53282\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> P = (x , y)<BR>\n" );
document.write( "M = (-7 , -3)<BR>\n" );
document.write( "Q = (6 , -3)\r<BR>\n" );
document.write( "<BR>\n" );
document.write( "\n" );
document.write( "Midpoint = ( <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+%28x1+%2B+x2%29%2F2 ALIGN=MIDDLE  ALT=\"+%28x1+%2B+x2%29%2F2\"   DISABLED_style= \"max-width:90%; height:auto;\" > , <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+%28y1+%2B+y2%29%2F2+ ALIGN=MIDDLE  ALT=\"+%28y1+%2B+y2%29%2F2+\"   DISABLED_style= \"max-width:90%; height:auto;\" > )<BR>\n" );
document.write( "work the X values first<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+-7%2F1+=+%28x%2B6%29%2F2+ ALIGN=MIDDLE  ALT=\"+-7%2F1+=+%28x%2B6%29%2F2+\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "Cross multiply<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+-14+=+x+%2B+6+ ALIGN=MIDDLE  ALT=\"+-14+=+x+%2B+6+\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "subtract 6<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+-20+=+x+ ALIGN=MIDDLE  ALT=\"+-20+=+x+\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
document.write( "<BR>\n" );
document.write( "\n" );
document.write( "Now work the Y values<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+-3%2F1+=+%28y+%2B+-3%29%2F2+ ALIGN=MIDDLE  ALT=\"+-3%2F1+=+%28y+%2B+-3%29%2F2+\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "Cross multiply<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+-3%282%29+=+y+-3+ ALIGN=MIDDLE  ALT=\"+-3%282%29+=+y+-3+\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "multiply<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+-6+=+y+-+3+ ALIGN=MIDDLE  ALT=\"+-6+=+y+-+3+\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "add 3<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+-3+=+y+ ALIGN=MIDDLE  ALT=\"+-3+=+y+\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
document.write( "<BR>\n" );
document.write( "\n" );
document.write( "Midpoint = (-20 , -3)\r<BR>\n" );
document.write( "<BR>\n" );
document.write( "\n" );
document.write( "Your method does work as well since the Y coordinates are the same, the line is a horizontal line.  Your method will not work unless the line is horizontal or vertical. </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );