document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=836128>Question 836128</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Hi, \r<BR>\n" );
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document.write( "I hope you can help. Many thanks for your time. Hugh\r<BR>\n" );
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document.write( "Make k the subject of each of the following two equations. Show each step<BR>\n" );
document.write( "of your working.\r<BR>\n" );
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document.write( "Question A\r<BR>\n" );
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document.write( "2m=9t/5k&#8722;7\r<BR>\n" );
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document.write( "Question B\r<BR>\n" );
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document.write( "5k = 3t&#8722; 3k/t </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #503965 by </B><A HREF=/tutors/aboutme.mpl?userid=Theo><B>Theo(13342)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=Theo><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=Theo><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=503965\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> i suppose you mean to solve for k.<BR>\n" );
document.write( "let's take a look:\r<BR>\n" );
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document.write( "first problem:<BR>\n" );
document.write( "start with:<BR>\n" );
document.write( "2M = (9T / 5K) - 7<BR>\n" );
document.write( "add 7 to both sides of this equation to get:<BR>\n" );
document.write( "2M + 7 = 9T / 5K<BR>\n" );
document.write( "multiply both sides of this equation by K to get:<BR>\n" );
document.write( "K * (2M + 7) = 9T / 5<BR>\n" );
document.write( "divide both sides of this equation by (2M + 7) to get:<BR>\n" );
document.write( "K = 9T / (5 * (2M + 7))<BR>\n" );
document.write( "you can simplify this further to get:<BR>\n" );
document.write( "K = 9T / (10M + 35)<BR>\n" );
document.write( "that's your answer. assuming your original equation is as shown above.\r<BR>\n" );
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document.write( "second problem:<BR>\n" );
document.write( "start with:<BR>\n" );
document.write( "5K = 3T - (3K / T)<BR>\n" );
document.write( "multiply both sides of this equation by T to get?<BR>\n" );
document.write( "5KT = 3T^2 - 3K<BR>\n" );
document.write( "add 3K to both sides of this equation to get:<BR>\n" );
document.write( "5KT + 3K = 3T^2<BR>\n" );
document.write( "factor out the K on the left side of this equation to get:<BR>\n" );
document.write( "K * (5T + 3) = 3T^2<BR>\n" );
document.write( "divide both sides of this equation by (5T + 3) to get:<BR>\n" );
document.write( "K = 3T^2 / (5T + 3)<BR>\n" );
document.write( "that's your answer, assuming your original equation is as shown above.<BR>\n" );
document.write( "I don't believe it can be simplified any further.\r<BR>\n" );
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document.write( " </SPAN>\n" );
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