document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=453111>Question 453111</A>: <I><SPAN STYLE=\"word-break: break-all;\"> I need help<BR>\n" );
document.write( "Solve by elimination by addition.<BR>\n" );
document.write( " 7x-5y=52<BR>\n" );
document.write( "{<BR>\n" );
document.write( "2x+5y=47 </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #311351 by </B><A HREF=/tutors/aboutme.mpl?userid=pedjajov><B>pedjajov(51)</B></A><img src=\"/images/stars/stars-08.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=pedjajov><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=311351\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> This is a system of two linear equations with two variables:<BR>\n" );
document.write( "7x-5y=52<BR>\n" );
document.write( "2x+5y=47<BR>\n" );
document.write( ":<BR>\n" );
document.write( "We can add these two equations to form the third:<BR>\n" );
document.write( "7x-5y+2x-5y=52+47, regroup<BR>\n" );
document.write( "7x+2x+5y-5y=99, combine like terms<BR>\n" );
document.write( "9x=99, divide by 9 both sides<BR>\n" );
document.write( "x=11<BR>\n" );
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document.write( "Substitute x in one of the equations:<BR>\n" );
document.write( "7*11-5y=52<BR>\n" );
document.write( "77-5y=52, add 5y and subtract 52 on both sides<BR>\n" );
document.write( "77-5y+5y-52=52-52+5y, regroup<BR>\n" );
document.write( "77-52+5y-5y=5y, combine like terms and numbers<BR>\n" );
document.write( "25=5y, divide by 5<BR>\n" );
document.write( "y=5<BR>\n" );
document.write( ":<BR>\n" );
document.write( "Solutions are x=11, y=5\r<BR>\n" );
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document.write( " </SPAN>\n" );
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