document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=312863>Question 312863</A>: <I><SPAN STYLE=\"word-break: break-all;\"> what is x and y? answered with systems of equations solving with substitution\r<BR>\n" );
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document.write( "-8x-7y=-12, -7x-6y=-11 </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #223752 by </B><A HREF=/tutors/aboutme.mpl?userid=checkley77><B>checkley77(12844)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=checkley77><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=223752\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> -8x-7y=-12 multiply by 6<BR>\n" );
document.write( "-7x-6y=-11 multioly by -7 & add.<BR>\n" );
document.write( "-48x-42y=-72<BR>\n" );
document.write( "49x+42y=77<BR>\n" );
document.write( "----------------<BR>\n" );
document.write( "x=5 ans.<BR>\n" );
document.write( "-8*5-7y=-12<BR>\n" );
document.write( "-40-7y=-12<BR>\n" );
document.write( "-7y=-12+40<BR>\n" );
document.write( "-7y=28<BR>\n" );
document.write( "y=28/-7<BR>\n" );
document.write( "y=-4 ans.<BR>\n" );
document.write( "Proof:<BR>\n" );
document.write( "-7*5-6*-4=-11<BR>\n" );
document.write( "-35+24=-11<BR>\n" );
document.write( "-11=-11<BR>\n" );
document.write( " </SPAN>\n" );
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