document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=822242>Question 822242</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Use elimination to solve the following system:<BR>\n" );
document.write( "13a+5b=-11<BR>\n" );
document.write( "13a+11b=7 </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #494717 by </B><A HREF=/tutors/aboutme.mpl?userid=TimothyLamb><B>TimothyLamb(4379)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=TimothyLamb><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=TimothyLamb><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=494717\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> ---<BR>\n" );
document.write( "13a + 5b = -11<BR>\n" );
document.write( "13a + 11b = 7<BR>\n" );
document.write( "---<BR>\n" );
document.write( "first, solve the system using matrices:<BR>\n" );
document.write( "---<BR>\n" );
document.write( "put the system of linear equations into standard form<BR>\n" );
document.write( "---<BR>\n" );
document.write( "13x + 5y = -11<BR>\n" );
document.write( "13x + 11y = 7<BR>\n" );
document.write( "---<BR>\n" );
document.write( "copy and paste the above standard form linear equations in to this solver:<BR>\n" );
document.write( "https://sooeet.com/math/system-of-linear-equations-solver.php<BR>\n" );
document.write( "---<BR>\n" );
document.write( "answer:<BR>\n" );
document.write( "x= a = -2<BR>\n" );
document.write( "y= b = 3<BR>\n" );
document.write( "---<BR>\n" );
document.write( "now solve by elimination to check the answer:<BR>\n" );
document.write( "---<BR>\n" );
document.write( "13a + 5b = -11<BR>\n" );
document.write( "-13a - 11b = -7<BR>\n" );
document.write( "---<BR>\n" );
document.write( "add:<BR>\n" );
document.write( "-6b = -18<BR>\n" );
document.write( "---<BR>\n" );
document.write( "answer (same as by matrix method):<BR>\n" );
document.write( "a = -2<BR>\n" );
document.write( "b = 3<BR>\n" );
document.write( "---<BR>\n" );
document.write( "Solve and graph linear equations:<BR>\n" );
document.write( "https://sooeet.com/math/linear-equation-solver.php<BR>\n" );
document.write( "---<BR>\n" );
document.write( "Solve quadratic equations, quadratic formula:<BR>\n" );
document.write( "https://sooeet.com/math/quadratic-formula-solver.php<BR>\n" );
document.write( "---<BR>\n" );
document.write( "Solve systems of linear equations up to 6-equations 6-variables:<BR>\n" );
document.write( "https://sooeet.com/math/system-of-linear-equations-solver.php </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );