document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=414191>Question 414191</A>: <I><SPAN STYLE=\"word-break: break-all;\"> ordered pairs <BR>\n" );
document.write( ".3x-0.2y=4<BR>\n" );
document.write( ".4x+0.3y=49/23\r<BR>\n" );
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document.write( "my confusion lies on what I should be plugging in, In class I am learning the three different methods substiituion, elimination and graphing. Well I am totally confused on all of them and do not understand what numbers I should be using to solve. Thank you for any help </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #290504 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=290504\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> .3x-0.2y=4<BR>\n" );
document.write( ".4x+0.3y=49/23 <BR>\n" );
document.write( "---------------------<BR>\n" );
document.write( "Multiply thru 1st by 10<BR>\n" );
document.write( "Multiply thru 2nd by 23<BR>\n" );
document.write( "---------<BR>\n" );
document.write( "3x - 2y = 40<BR>\n" );
document.write( "9.2x+6.9y = 49<BR>\n" );
document.write( "----<BR>\n" );
document.write( "Multiply thru 2nd by 10 <BR>\n" );
document.write( "3x - 2y = 40<BR>\n" );
document.write( "92x + 69y = 490<BR>\n" );
document.write( "----<BR>\n" );
document.write( "Multiply thru 1st by 69<BR>\n" );
document.write( "Multiply thru 2nd by 2<BR>\n" );
document.write( "-----<BR>\n" );
document.write( "207x - 138y = 2760<BR>\n" );
document.write( "184x + 138y = 980<BR>\n" );
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document.write( "Add and solve for \"x\":<BR>\n" );
document.write( "391x = 3740<BR>\n" );
document.write( "x = 220/23<BR>\n" );
document.write( "-----<BR>\n" );
document.write( "Solve for \"y\":<BR>\n" );
document.write( "3x - 2y = 40<BR>\n" );
document.write( "3(220/23) - 2y = 40<BR>\n" );
document.write( "660/23 - 2y = 40<BR>\n" );
document.write( "---<BR>\n" );
document.write( "330/23 - y = 20<BR>\n" );
document.write( "y = (330/23)-20<BR>\n" );
document.write( "y = -130/23<BR>\n" );
document.write( "==================<BR>\n" );
document.write( "Cheers,<BR>\n" );
document.write( "Stan H.<BR>\n" );
document.write( "=======================<BR>\n" );
document.write( " </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );