document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=865015>Question 865015</A>: <I><SPAN STYLE=\"word-break: break-all;\"> solve system of equations using elimination <BR>\n" );
document.write( "4x-9y=61<BR>\n" );
document.write( "10x+3y=25 </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #521467 by </B><A HREF=/tutors/aboutme.mpl?userid=jim_thompson5910><B>jim_thompson5910(35256)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=jim_thompson5910><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=521467\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> 4x-9y=61<BR>\n" );
document.write( "10x+3y=25\r<BR>\n" );
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document.write( "Multiply everything in equation two by 3 to get \r<BR>\n" );
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document.write( "4x-9y=61<BR>\n" );
document.write( "30x+9y=75\r<BR>\n" );
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document.write( "Now add the equations\r<BR>\n" );
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document.write( "4x-9y=61<BR>\n" );
document.write( "30x+9y=75<BR>\n" );
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document.write( "34x+0y=136\r<BR>\n" );
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document.write( "This means \r<BR>\n" );
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document.write( "34x = 136\r<BR>\n" );
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document.write( "x = 136/34\r<BR>\n" );
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document.write( "x = 4\r<BR>\n" );
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document.write( "Now use this to find y\r<BR>\n" );
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document.write( "4x-9y=61\r<BR>\n" );
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document.write( "4(4)-9y=61\r<BR>\n" );
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document.write( "16-9y=61\r<BR>\n" );
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document.write( "-9y=61-16\r<BR>\n" );
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document.write( "-9y=45\r<BR>\n" );
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document.write( "y=45/(-9)\r<BR>\n" );
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document.write( "y=-5\r<BR>\n" );
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document.write( "The solutions are x = 4, y = -5 </SPAN>\n" );
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