document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=126002>Question 126002</A>: <I><SPAN STYLE=\"word-break: break-all;\"> 3a - 2b =21<BR>\n" );
document.write( "a + 3b = -4\r<BR>\n" );
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document.write( "what is the value of each variable (a and b)? </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #92338 by </B><A HREF=/tutors/aboutme.mpl?userid=MathLover1><B>MathLover1(20850)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=MathLover1><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=MathLover1><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=92338\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> \r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=3a+-+2b+=21 ALIGN=MIDDLE  ALT=\"3a+-+2b+=21\"   DISABLED_style= \"max-width:90%; height:auto;\" >..............(1)\r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=a+%2B+3b+=+-4 ALIGN=MIDDLE  ALT=\"a+%2B+3b+=+-4\"   DISABLED_style= \"max-width:90%; height:auto;\" >..............(2)\r<BR>\n" );
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document.write( "take (2) and solve for <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=a ALIGN=MIDDLE  ALT=\"a\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=a+%2B+3b+=+-4 ALIGN=MIDDLE  ALT=\"a+%2B+3b+=+-4\"   DISABLED_style= \"max-width:90%; height:auto;\" >..............(2)\r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=a+=+-3b+-4 ALIGN=MIDDLE  ALT=\"a+=+-3b+-4\"   DISABLED_style= \"max-width:90%; height:auto;\" >..........(I)..........substitute in (1)\r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=3%28-3b+-4%29+-+2b+=21 ALIGN=MIDDLE  ALT=\"3%28-3b+-4%29+-+2b+=21\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=-9b+-12+-+2b+=21 ALIGN=MIDDLE  ALT=\"-9b+-12+-+2b+=21\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=-11b+=21%2B12 ALIGN=MIDDLE  ALT=\"-11b+=21%2B12\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=-11b+=+33 ALIGN=MIDDLE  ALT=\"-11b+=+33\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=b+=+33%2F-11 ALIGN=MIDDLE  ALT=\"b+=+33%2F-11\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=highlight%28b+=+-3%29 ALIGN=MIDDLE  ALT=\"highlight%28b+=+-3%29\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=a+=+-3b+-4 ALIGN=MIDDLE  ALT=\"a+=+-3b+-4\"   DISABLED_style= \"max-width:90%; height:auto;\" >..........(I)\r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=a+=+-3%28-3%29+-4 ALIGN=MIDDLE  ALT=\"a+=+-3%28-3%29+-4\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=a+=+9+-4 ALIGN=MIDDLE  ALT=\"a+=+9+-4\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=highlight%28a+=+5%29 ALIGN=MIDDLE  ALT=\"highlight%28a+=+5%29\"   DISABLED_style= \"max-width:90%; height:auto;\" >...............\r<BR>\n" );
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document.write( "check:\r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=3%2A5+-+2%28-3%29+=21 ALIGN=MIDDLE  ALT=\"3%2A5+-+2%28-3%29+=21\"   DISABLED_style= \"max-width:90%; height:auto;\" >..............(1)\r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=15+%2B+6+=21 ALIGN=MIDDLE  ALT=\"15+%2B+6+=21\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=21+=21 ALIGN=MIDDLE  ALT=\"21+=21\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
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document.write( " </SPAN>\n" );
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