document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=80718>Question 80718</A>: <I><SPAN STYLE=\"word-break: break-all;\"> I am sorry guys some of the question was left out.\r<BR>\n" );
document.write( "<BR>\n" );
document.write( "\n" );
document.write( "Which of the pairs are solutions for the equation x-y=4\r<BR>\n" );
document.write( "\n" );
document.write( "(a) (0,4), (-4,0), and (-3-7)\r<BR>\n" );
document.write( "\n" );
document.write( "(b) (-4,0), and (-3,-7)\r<BR>\n" );
document.write( "\n" );
document.write( "(c)  (0, -4) and (-3-7)\r<BR>\n" );
document.write( "\n" );
document.write( "(d)  (3, 1) and (-4, 0)\r<BR>\n" );
document.write( "\n" );
document.write( "with instructions of what was done to get the answer, thank you I am sorry for the first one </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #57885 by </B><A HREF=/tutors/aboutme.mpl?userid=jim_thompson5910><B>jim_thompson5910(35256)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=jim_thompson5910><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=57885\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> To see which solutions make <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=x-y=4 ALIGN=MIDDLE  ALT=\"x-y=4\"   DISABLED_style= \"max-width:90%; height:auto;\" > true, simply plug in the possible solutions into x and y:\r<BR>\n" );
document.write( "\n" );
document.write( "Lets plug in (0,4)\r<BR>\n" );
document.write( "<BR>\n" );
document.write( "\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=0-4=4 ALIGN=MIDDLE  ALT=\"0-4=4\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
document.write( "\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=-4=4 ALIGN=MIDDLE  ALT=\"-4=4\"   DISABLED_style= \"max-width:90%; height:auto;\" > not true. So this eliminates answer a)\r<BR>\n" );
document.write( "<BR>\n" );
document.write( "\n" );
document.write( "Now lets try b)\r<BR>\n" );
document.write( "\n" );
document.write( "Plug in (-4,0)\r<BR>\n" );
document.write( "\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=-4-0=4 ALIGN=MIDDLE  ALT=\"-4-0=4\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
document.write( "\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=-4=4 ALIGN=MIDDLE  ALT=\"-4=4\"   DISABLED_style= \"max-width:90%; height:auto;\" > not true. So this eliminates answer b)\r<BR>\n" );
document.write( "<BR>\n" );
document.write( "\n" );
document.write( "Now lets try c)\r<BR>\n" );
document.write( "\n" );
document.write( "Plug in (0,-4)\r<BR>\n" );
document.write( "<BR>\n" );
document.write( "\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=0-%28-4%29=4 ALIGN=MIDDLE  ALT=\"0-%28-4%29=4\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
document.write( "\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=0%2B4=4 ALIGN=MIDDLE  ALT=\"0%2B4=4\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
document.write( "\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=4=4 ALIGN=MIDDLE  ALT=\"4=4\"   DISABLED_style= \"max-width:90%; height:auto;\" > true\r<BR>\n" );
document.write( "\n" );
document.write( "Now lets plug in (-3,-7)\r<BR>\n" );
document.write( "\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=-3-%28-7%29=4 ALIGN=MIDDLE  ALT=\"-3-%28-7%29=4\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
document.write( "\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=-3%2B7=4 ALIGN=MIDDLE  ALT=\"-3%2B7=4\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
document.write( "\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=4=4 ALIGN=MIDDLE  ALT=\"4=4\"   DISABLED_style= \"max-width:90%; height:auto;\" > true. So this means c) is an answer.\r<BR>\n" );
document.write( "<BR>\n" );
document.write( "\n" );
document.write( "For the sake of the problem, lets try d) as well\r<BR>\n" );
document.write( "\n" );
document.write( "Plug in (3,1)\r<BR>\n" );
document.write( "<BR>\n" );
document.write( "\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=3-1=4 ALIGN=MIDDLE  ALT=\"3-1=4\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
document.write( "<BR>\n" );
document.write( "\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=2=4 ALIGN=MIDDLE  ALT=\"2=4\"   DISABLED_style= \"max-width:90%; height:auto;\" > not true. So this eliminates answer d)\r<BR>\n" );
document.write( "<BR>\n" );
document.write( "<BR>\n" );
document.write( "\n" );
document.write( "So the only answer that satisfies <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=x-y=4 ALIGN=MIDDLE  ALT=\"x-y=4\"   DISABLED_style= \"max-width:90%; height:auto;\" > is answer c) </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );