document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=467372>Question 467372</A>: <I><SPAN STYLE=\"word-break: break-all;\"> If x + y is 4 more than x - y which of the following statements must be true?\r<BR>\n" );
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document.write( "I. x = 2<BR>\n" );
document.write( "II. y = 2<BR>\n" );
document.write( "III. xy has more than one value\r<BR>\n" );
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document.write( "A) I only<BR>\n" );
document.write( "B) II only<BR>\n" );
document.write( "C) III only<BR>\n" );
document.write( "D) I and III only<BR>\n" );
document.write( "E) II and III only\r<BR>\n" );
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document.write( "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 #320666 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=320666\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> \"If x + y is 4 more than x - y\", then <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=x%2By=%28x-y%29%2B4 ALIGN=MIDDLE  ALT=\"x%2By=%28x-y%29%2B4\"   DISABLED_style= \"max-width:90%; height:auto;\" >. Now solve for y:\r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=x%2By-x%2By=4 ALIGN=MIDDLE  ALT=\"x%2By-x%2By=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=2y=4 ALIGN=MIDDLE  ALT=\"2y=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=y=4%2F2 ALIGN=MIDDLE  ALT=\"y=4%2F2\"   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=y=2 ALIGN=MIDDLE  ALT=\"y=2\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
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document.write( "So the answer is choice II.\r<BR>\n" );
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document.write( "Note: x can be ANY number, so it's not choice I. Choice III doesn't make sense, so that can be thrown out too.\r<BR>\n" );
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document.write( "So this means that the answer is choice B) II only </SPAN>\n" );
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