document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=171043>Question 171043</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Solve using either substitution or addition method. Tell which method was used?<BR>\n" );
document.write( "x=y+9<BR>\n" );
document.write( "5x-3y=7 </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #134961 by </B><A HREF=/tutors/aboutme.mpl?userid=HyperBrain><B>HyperBrain(694)</B></A><img src=\"/images/stars/stars-11.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=HyperBrain><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=134961\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> x=y+9<BR>\n" );
document.write( "5x-3y=7\r<BR>\n" );
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document.write( "Substituting x=y+9,\r<BR>\n" );
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document.write( "5(y+9)-3y=7<BR>\n" );
document.write( "5y-3y+45=7<BR>\n" );
document.write( "2y=-38<BR>\n" );
document.write( "y=-19<BR>\n" );
document.write( "x=-19+9=-10\r<BR>\n" );
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