document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=154182>Question 154182</A>: <I><SPAN STYLE=\"word-break: break-all;\"> 3x+y=21<BR>\n" );
document.write( "10x+5y=65 </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #113494 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=113494\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> 3x+y=21<BR>\n" );
document.write( "10x+5y=65<BR>\n" );
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document.write( "3x+y=21<BR>\n" );
document.write( "10x+5y=65<BR>\n" );
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document.write( "Multiply thru 1st equation by 5:<BR>\n" );
document.write( "15x+5y= 105<BR>\n" );
document.write( "10x+5y=65<BR>\n" );
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document.write( "Subtact 2nd from 1st to solve for \"x\":<BR>\n" );
document.write( "5x = 40<BR>\n" );
document.write( "x = 8<BR>\n" );
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document.write( "Substitute into 3x+y = 21  to solve for \"y\":<BR>\n" );
document.write( "3*8 + y = 21<BR>\n" );
document.write( "y = -3<BR>\n" );
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document.write( "Ans: (8,-3)<BR>\n" );
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document.write( "Cheers,<BR>\n" );
document.write( "Stan H.<BR>\n" );
document.write( " </SPAN>\n" );
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