document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=253241>Question 253241</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Please help me solve this linear system: <BR>\n" );
document.write( "x+7=-9y<BR>\n" );
document.write( "y=7-4x\r<BR>\n" );
document.write( "\n" );
document.write( "I need to figure out what x and y is..<BR>\n" );
document.write( "Thank you. </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #185519 by </B><A HREF=/tutors/aboutme.mpl?userid=ankor@dixie-net.com><B>ankor@dixie-net.com(22740)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=ankor@dixie-net.com><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/cgi-bin/show-face.mpl?user=ankor@dixie-net.com><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=185519\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Please help me solve this linear system:<BR>\n" );
document.write( "x+7=-9y<BR>\n" );
document.write( "y=7-4x<BR>\n" );
document.write( ":<BR>\n" );
document.write( "Use the 2nd equation: substitute for y in the 1st equation<BR>\n" );
document.write( "x + 7 = -9(7-4x)<BR>\n" );
document.write( "x + 7 = -63 + 36x<BR>\n" );
document.write( "7 + 63 = 36x - x<BR>\n" );
document.write( "70 = 35x<BR>\n" );
document.write( "x = <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=70%2F35 ALIGN=MIDDLE  ALT=\"70%2F35\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "x = 2<BR>\n" );
document.write( ":<BR>\n" );
document.write( "Find y using the 2nd equation<BR>\n" );
document.write( "y = 7 - 4(2)<BR>\n" );
document.write( "y = 7 - 8<BR>\n" );
document.write( "y = -1<BR>\n" );
document.write( ";<BR>\n" );
document.write( "Check solutions in the 1st equation<BR>\n" );
document.write( "2 + 7 = -9(-1)<BR>\n" );
document.write( "9 = 9  </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );