document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=26507>Question 26507</A>: <I><SPAN STYLE=\"word-break: break-all;\"> please help me solve this equation: 1/a + 1/b = 1/c, solve for c </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #14489 by </B><A HREF=/tutors/aboutme.mpl?userid=longjonsilver><B>longjonsilver(2297)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=longjonsilver><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=longjonsilver><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=14489\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=1%2Fa+%2B+1%2Fb+=+1%2Fc ALIGN=MIDDLE  ALT=\"1%2Fa+%2B+1%2Fb+=+1%2Fc\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
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document.write( "multiply first fraction by 1, written as b/b.<BR>\n" );
document.write( "multiply second fraction by 1, written as a/a\r<BR>\n" );
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document.write( "we then get:<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=%281%2Fa%29%28b%2Fb%29+%2B+%281%2Fb%29%28a%2Fa%29+=+1%2Fc ALIGN=MIDDLE  ALT=\"%281%2Fa%29%28b%2Fb%29+%2B+%281%2Fb%29%28a%2Fa%29+=+1%2Fc\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=%28b%2F%28ab%29%29+%2B+%28a%2F%28ab%29%29+=+1%2Fc ALIGN=MIDDLE  ALT=\"%28b%2F%28ab%29%29+%2B+%28a%2F%28ab%29%29+=+1%2Fc\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=%28%28a%2Bb%29%2F%28ab%29%29+=+1%2Fc ALIGN=MIDDLE  ALT=\"%28%28a%2Bb%29%2F%28ab%29%29+=+1%2Fc\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
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document.write( "and now, invert or cross-multiply, however you like to think of it:\r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=%28%28ab%29%2F%28a%2Bb%29%29+=+c ALIGN=MIDDLE  ALT=\"%28%28ab%29%2F%28a%2Bb%29%29+=+c\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
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document.write( "jon.<BR>\n" );
document.write( " </SPAN>\n" );
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