document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=494662>Question 494662</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Need someone's help please.\r<BR>\n" );
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document.write( "Solve using the substitution method. Show your work. If the system has no solution or an infinite number of solutions, state this.<BR>\n" );
document.write( "4x + 4y = -36<BR>\n" );
document.write( "4x + 4y = 12  </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #335745 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=335745\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Need someone's help please. <BR>\n" );
document.write( "Solve using the substitution method. Show your work. If the system has no solution or an infinite number of solutions, state this.<BR>\n" );
document.write( "4x + 4y = -36<BR>\n" );
document.write( "4x + 4y = 12 <BR>\n" );
document.write( "----<BR>\n" );
document.write( "It has no solution because the slopes are the same<BR>\n" );
document.write( "and the y-intercepts are not the same.<BR>\n" );
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document.write( "Solution by substitution:<BR>\n" );
document.write( "Divide thru both equations by 4:<BR>\n" );
document.write( "----<BR>\n" );
document.write( "x + y = -9<BR>\n" );
document.write( "x + y = 12<BR>\n" );
document.write( "----<BR>\n" );
document.write( "x = 12-y<BR>\n" );
document.write( "---<BR>\n" );
document.write( "substitute for \"x\" and solve for \"y\":<BR>\n" );
document.write( "12-y + y = -9<BR>\n" );
document.write( "12 = 9<BR>\n" );
document.write( "----<BR>\n" );
document.write( "That contradiction occurred because we assumed the<BR>\n" );
document.write( "\"x\" in both equations were the same and the \"y\"<BR>\n" );
document.write( "in both equations were the same.  They cannot be.<BR>\n" );
document.write( "==============<BR>\n" );
document.write( "Cheers,<BR>\n" );
document.write( "Stan H.<BR>\n" );
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document.write( " </SPAN>\n" );
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