document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=1005739>Question 1005739</A>: <I><SPAN STYLE=\"word-break: break-all;\"> 2 ln (r) = ln (15r + 34) \r<BR>\n" );
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document.write( "Please help me solve for r!  </SPAN>\n" );
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document.write( "2 ln (r) = ln (15r + 34) <BR>\n" );
document.write( "ln (r^2) = ln (15r + 34) <BR>\n" );
document.write( "Now exponentiate and get<BR>\n" );
document.write( "r^2 = 15r + 34<BR>\n" );
document.write( "r^2 - 15r - 34 = 0<BR>\n" );
document.write( "(r - 17)(r + 2) = 0<BR>\n" );
document.write( "r = 17 or r = -2<BR>\n" );
document.write( "but you cannot have the log of a negative number, so<BR>\n" );
document.write( "r = 17 </SPAN>\n" );
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