document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=128882>Question 128882</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Please help me graph these equationss  3x-y=9      3x+2y=12<BR>\n" );
document.write( "   y=2/3x+4   y=-3/2x-6       Thank You!!!! </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #94259 by </B><A HREF=/tutors/aboutme.mpl?userid=solver91311><B>solver91311(24713)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=solver91311><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=solver91311><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=94259\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> If you know how to do one, you know how to do them all.\r<BR>\n" );
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document.write( "Step 1:  Pick a value for x.  It doesn't matter what it is, so make it something that makes the arithmetic easy, like 0 or 1.\r<BR>\n" );
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document.write( "Step 2:  Substitute that value into your equation and then calculate what y must be for that value of x.\r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=3x-y=9 ALIGN=MIDDLE  ALT=\"3x-y=9\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
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document.write( "If you picked 0 for x, then:<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=3%280%29-y=9 ALIGN=MIDDLE  ALT=\"3%280%29-y=9\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=-y=9 ALIGN=MIDDLE  ALT=\"-y=9\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=y=-9 ALIGN=MIDDLE  ALT=\"y=-9\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
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document.write( "So when x is 0, y is -9.\r<BR>\n" );
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document.write( "Now, repeat steps 1 and 2 using a different value for x.  Let's do it with x = 1.\r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=3%281%29-y=9 ALIGN=MIDDLE  ALT=\"3%281%29-y=9\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=-y=9-3 ALIGN=MIDDLE  ALT=\"-y=9-3\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=-y=6 ALIGN=MIDDLE  ALT=\"-y=6\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=y=-6 ALIGN=MIDDLE  ALT=\"y=-6\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
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document.write( "So, when x is 1, y is -6.\r<BR>\n" );
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document.write( "Now, take these pairs of numbers that you developed and put them into ordered pair form:  (0,-9) and (1,-6).\r<BR>\n" );
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document.write( "Plot these two points on your graph.  Then draw a line through the points and you are done.\r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=drawing%28400%2C400%2C-5%2C6%2C-10%2C1%2C%0D%0Agrid%281%29%2C%0D%0Agraph%28400%2C400%2C-5%2C6%2C-10%2C1%2C3x-9%29%2C%0D%0Acircle%280%2C-9%2C.1%29%2C%0D%0Acircle%281%2C-6%2C.1%29%2C%0D%0Alocate%28.2%2C-9.3%2CP1%280%2C-9%29%29%2C%0D%0Alocate%281.2%2C-6.3%2CP2%281%2C-6%29%29%0D%0A%29 ALIGN=MIDDLE   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
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document.write( "Follow this same procedure for the other problems. </SPAN>\n" );
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