document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=144833>Question 144833</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Can the system <BR>\n" );
document.write( "4x + 5y = -4<BR>\n" );
document.write( "12x - 9y = -4\r<BR>\n" );
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document.write( "be solved more easily by using the substitution method or the addition method? And why? </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #105520 by </B><A HREF=/tutors/aboutme.mpl?userid=solver91311><B>solver91311(24713)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=solver91311><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=solver91311><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=105520\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Solving either of the equations for either of the variables will result in a messy fraction that must then be substituted in order to solve by the substitution method.  Multiplying the first equation by a nice, neat -3 allows elimination of the <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=x ALIGN=MIDDLE  ALT=\"x\"   DISABLED_style= \"max-width:90%; height:auto;\" > variable, hence the addition method (more properly termed the elimination method) is the easier process for this system. </SPAN>\n" );
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