document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=300401>Question 300401</A>: <I><SPAN STYLE=\"word-break: break-all;\"> suppose you are trying to solve a system of linear equations using substitution and get this result. How many solutions does the system have?\r<BR>\n" );
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document.write( "x = -2<BR>\n" );
document.write( "y = 12<BR>\n" );
document.write( "6 = x<BR>\n" );
document.write( "-8 = -8<BR>\n" );
document.write( "7 = y<BR>\n" );
document.write( "5 = 3\r<BR>\n" );
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document.write( "How do you solve these </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #215578 by </B><A HREF=/tutors/aboutme.mpl?userid=richwmiller><B>richwmiller(17219)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=richwmiller><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=richwmiller><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=215578\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Lines that cross have one solution.\r<BR>\n" );
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document.write( "Lines that don't cross have no solutions<BR>\n" );
document.write( "Lines that are equivalent have an infinite number of solutions.<BR>\n" );
document.write( "Since there are two solutions they must be equivalent.<BR>\n" );
document.write( "Therefore -2,12 and 6,7 are solutions and points on the line.\r<BR>\n" );
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document.write( "to get the slope we y-y/x-x=m<BR>\n" );
document.write( "12-7/-2-6=5/-8=-5/8<BR>\n" );
document.write( "y=-5x/8+b<BR>\n" );
document.write( "7=-5*6/8+b<BR>\n" );
document.write( "7=-30/8+b<BR>\n" );
document.write( "56/8+30/8=b<BR>\n" );
document.write( "86/8=b<BR>\n" );
document.write( "43/4=b<BR>\n" );
document.write( "y=-5x/8+43/4<BR>\n" );
document.write( "8y=-5x+86<BR>\n" );
document.write( "check other point<BR>\n" );
document.write( "8*12=-5*-2+86<BR>\n" );
document.write( "96=10+86<BR>\n" );
document.write( "96=96<BR>\n" );
document.write( "There are an infintie number of solutions </SPAN>\n" );
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