document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=383479>Question 383479</A>: <I><SPAN STYLE=\"word-break: break-all;\"> I need help solving using substitution method\r<BR>\n" );
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document.write( "3x + 24y = 24<BR>\n" );
document.write( "27x - 15y = -15y </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #271548 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=271548\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> solving using substitution method <BR>\n" );
document.write( "3x + 24y = 24<BR>\n" );
document.write( "27x - 15y = -15<BR>\n" );
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document.write( "Simplify each equation:<BR>\n" );
document.write( "x + 8y = 8<BR>\n" );
document.write( "9x - 5y = -5<BR>\n" );
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document.write( "Modify:<BR>\n" );
document.write( "x = 8-8y<BR>\n" );
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document.write( "Substitute:<BR>\n" );
document.write( "9(8-8y)-5y = -5<BR>\n" );
document.write( "72-72y-5y = -5<BR>\n" );
document.write( "77y = 77<BR>\n" );
document.write( "y = 1<BR>\n" );
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document.write( "Since x = 8-8y, x = 0<BR>\n" );
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document.write( "Solution: (0,1)<BR>\n" );
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document.write( "Cheers,<BR>\n" );
document.write( "Stan H.<BR>\n" );
document.write( "=========== </SPAN>\n" );
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