document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=1207019>Question 1207019</A>: <I><SPAN STYLE=\"word-break: break-all;\"> If (a/b)=(c/d)= k , b,d ≠ 0 , prove that (a+c)/(b+d) = k  </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #844816 by </B><A HREF=/tutors/aboutme.mpl?userid=math_tutor2020><B>math_tutor2020(3817)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=math_tutor2020><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=844816\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> <font color=black size=3><BR>\n" );
document.write( "a/b = k<BR>\n" );
document.write( "a = bk\r<BR>\n" );
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document.write( "\n" );
document.write( "c/d = k<BR>\n" );
document.write( "c = dk\r<BR>\n" );
document.write( "<BR>\n" );
document.write( "\n" );
document.write( "a+c = bk+dk<BR>\n" );
document.write( "a+c = (b+d)k<BR>\n" );
document.write( "(a+c)/(b+d) = k<BR>\n" );
document.write( "</font><BR>\n" );
document.write( " </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );