document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=238626>Question 238626</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Solve the system by the elimination method.<BR>\n" );
document.write( "5x + 5y = -13<BR>\n" );
document.write( "7x - 3y =  19\r<BR>\n" );
document.write( "\n" );
document.write( "I'm having a hard time understading this equation. </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #175322 by </B><A HREF=/tutors/aboutme.mpl?userid=stanbon><B>stanbon(75887)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=stanbon><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=175322\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\">  Solve the system by the elimination method.<BR>\n" );
document.write( "5x + 5y = -13<BR>\n" );
document.write( "7x - 3y = 19 <BR>\n" );
document.write( "--------------------------<BR>\n" );
document.write( "Multiply thru the 1st Eq by 3<BR>\n" );
document.write( "Multiply thru the 2nd Eq by 5<BR>\n" );
document.write( "--------------------------<BR>\n" );
document.write( "15x + 15y = -39<BR>\n" );
document.write( "35x - 15y = 95<BR>\n" );
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document.write( "Add  and solve for \"x\":<BR>\n" );
document.write( "50x = 46<BR>\n" );
document.write( "x = 23/25<BR>\n" );
document.write( "-------------------<BR>\n" );
document.write( "Substitute into 5x + 4y = -13<BR>\n" );
document.write( "5(23/25) + 4y = -13<BR>\n" );
document.write( "(23/5) + 4y = (-65/5)<BR>\n" );
document.write( "4y = -88/5<BR>\n" );
document.write( "y = -22/5<BR>\n" );
document.write( "=====================<BR>\n" );
document.write( "Cheers,<BR>\n" );
document.write( "Stan H. </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );