document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=163524>Question 163524</A>This question is from textbook <A HREF=http://www.amazon.com/exec/obidos/ASIN/097490368X/algebrahomeworkh>Algebra 2 A Teaching Textbook</A><BR>\n" );
document.write( ": <I><SPAN STYLE=\"word-break: break-all;\"> Please help with solving equation for r :  q = rs/(r+s).\r<BR>\n" );
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document.write( "I tried multiplying by (r+s), but cannot figure out how to get both r's together.\r<BR>\n" );
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document.write( "Thanks </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #120466 by </B><A HREF=/tutors/aboutme.mpl?userid=ptaylor><B>ptaylor(2198)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=ptaylor><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=ptaylor><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=120466\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> YOU SURE GOT THE FIRST STEP CORRECT!!!!!!\r<BR>\n" );
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document.write( "Multiply each side by (r+s) and we get:\r<BR>\n" );
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document.write( "q(r+s)=rs get rid of parens (distributive law)<BR>\n" );
document.write( "qr+qs=rs  subtract qr from each side\r<BR>\n" );
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document.write( "qr-qr+qs=rs-qr  collect like terms<BR>\n" );
document.write( "qs=r(s-q)  (distributive law)<BR>\n" );
document.write( "divide each side by (s-q)\r<BR>\n" );
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document.write( "r=qs/(s-q)--------------------------------ans\r<BR>\n" );
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document.write( "CK<BR>\n" );
document.write( "q=rs/(r+s)<BR>\n" );
document.write( "q=(qs/(s-q))s/((qs/(s-q))+s=<BR>\n" );
document.write( "q=(qs^2/(s-q))/(qs+s(s-q))/(s-q)=<BR>\n" );
document.write( "q=qs^2/(qs+s^2-qs)=qs^2/s^2<BR>\n" );
document.write( "q=q\r<BR>\n" );
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document.write( "Hope this helps---ptaylor </SPAN>\n" );
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