document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=203932>Question 203932</A>This question is from textbook <A HREF=http://www.amazon.com/exec/obidos/ASIN/9780073533490/algebrahomeworkh>Elementary and Intermediate Algebra</A><BR>\n" );
document.write( ": <I><SPAN STYLE=\"word-break: break-all;\"> Can anyone please help me get past the last 2 math problems....I keep trying and each time I get a new answer!!! Thank you!!!The directions say to solve by using the addition method....\r<BR>\n" );
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document.write( "36.)\r<BR>\n" );
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document.write( "3/7x + 5/9y=27<BR>\n" );
document.write( "1/9x + 2/7y=7\r<BR>\n" );
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document.write( "44.)\r<BR>\n" );
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document.write( "3x-2.5y=7.125<BR>\n" );
document.write( "2.5x-3y=7.3125\r<BR>\n" );
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document.write( "Thank you! Thank you! Thank you! </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #153864 by </B><A HREF=/tutors/aboutme.mpl?userid=Alan3354><B>Alan3354(69443)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=Alan3354><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=Alan3354><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=153864\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> 36.) <BR>\n" );
document.write( "3/7x + 5/9y=27<BR>\n" );
document.write( "1/9x + 2/7y=7 <BR>\n" );
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document.write( "Eliminate fractions.  Multiply both eqns by 63.<BR>\n" );
document.write( "27x + 35y = 1701<BR>\n" );
document.write( "7x + 18y = 441<BR>\n" );
document.write( "To solve by \"addition\" (actually, it's elimination using addition) get one of the variables to have the same coefficient, either the x's or the y's.<BR>\n" );
document.write( "Multiply the 1st eqn by 7 and the 2nd by -27.<BR>\n" );
document.write( "189x + 245y = 11907<BR>\n" );
document.write( "-189x - 486y = -11907<BR>\n" );
document.write( "--------------------- Add them<BR>\n" );
document.write( "0x - 243y = 0<BR>\n" );
document.write( "y = 0<BR>\n" );
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document.write( "x = 63<BR>\n" );
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document.write( "44.) <BR>\n" );
document.write( "3x-2.5y=7.125<BR>\n" );
document.write( "2.5x-3y=7.3125<BR>\n" );
document.write( "Multiply both eqns by 16<BR>\n" );
document.write( "48x - 40y = 114<BR>\n" );
document.write( "40x - 48y = 117<BR>\n" );
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document.write( "Multiply eqn 1 by 5 and eqn 2 by -6<BR>\n" );
document.write( "240x - 200y = 570<BR>\n" );
document.write( "-240x + 288y = -702<BR>\n" );
document.write( "------------------- Add them<BR>\n" );
document.write( "0x - 88y = -132<BR>\n" );
document.write( "y = 1.5<BR>\n" );
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document.write( "x = 3.625<BR>\n" );
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