document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=44888>Question 44888</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Hello:\r<BR>\n" );
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document.write( "I am asked to solve for x\r<BR>\n" );
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document.write( "x - z = xy + w\r<BR>\n" );
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document.write( "This is a practice exam so I am given the answer of:\r<BR>\n" );
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document.write( "w + z<BR>\n" );
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document.write( "1 - y\r<BR>\n" );
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document.write( "I do not understand how they arrived at this answer.  To be honest I do not understand how to approach this problem.  I can make it this far:<BR>\n" );
document.write( "x - z = xy + w<BR>\n" );
document.write( "x = xy + w + z<BR>\n" );
document.write( "x - xy = w + z\r<BR>\n" );
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document.write( "Thank you very much for your time and help.\r<BR>\n" );
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document.write( "David<BR>\n" );
document.write( "                                  <BR>\n" );
document.write( " </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #29737 by </B><A HREF=/tutors/aboutme.mpl?userid=stanbon><B>stanbon(75887)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=stanbon><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=29737\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> x - z = xy + w <BR>\n" );
document.write( "You need to get the x's on one side of the equal sign.\r<BR>\n" );
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document.write( "So, subtract xy from both sides to get:<BR>\n" );
document.write( "x-xy-z=w<BR>\n" );
document.write( "Get rid of the terms that have no x and are on the same side as the x terms.<BR>\n" );
document.write( "Add z to both sides to get:<BR>\n" );
document.write( "x-xy=w+z<BR>\n" );
document.write( "Now, factor out the x to get:<BR>\n" );
document.write( "x(1-y)=w+z<BR>\n" );
document.write( "Divide both sides by (1-y) to get:<BR>\n" );
document.write( "x=(w+z)/(1-y)\r<BR>\n" );
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document.write( "Cheers,<BR>\n" );
document.write( "Stan H. </SPAN>\n" );
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