document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=242094>Question 242094</A>: <I><SPAN STYLE=\"word-break: break-all;\"> I need help on how to solve a logarithmic Equation.  The question is <BR>\n" );
document.write( "3 Log (base 2) x+1 = 7\r<BR>\n" );
document.write( "\n" );
document.write( "When I tried putting this equation into exponential form, I got <BR>\n" );
document.write( "  <BR>\n" );
document.write( "2^7 = (x+1)^3.  However, when I solved for this, I did not end up with <BR>\n" );
document.write( "the answer that is needed.  I ended up looking up the answer in the back of the book so that i could see if i could backtrack from there, but it was simply 4.\r<BR>\n" );
document.write( "\n" );
document.write( "                                  Thanks,<BR>\n" );
document.write( "                                          dmc93x@yahoo.com </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #177224 by </B><A HREF=/tutors/aboutme.mpl?userid=jim_thompson5910><B>jim_thompson5910(35256)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=jim_thompson5910><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=177224\">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=3%2Alog%282%2C%28x%29%29%2B1=7 ALIGN=MIDDLE  ALT=\"3%2Alog%282%2C%28x%29%29%2B1=7\"   DISABLED_style= \"max-width:90%; height:auto;\" > Start with the given equation.\r<BR>\n" );
document.write( "<BR>\n" );
document.write( "<BR>\n" );
document.write( "\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=3%2Alog%282%2C%28x%29%29=7-1 ALIGN=MIDDLE  ALT=\"3%2Alog%282%2C%28x%29%29=7-1\"   DISABLED_style= \"max-width:90%; height:auto;\" > Subtract 1 from both sides.\r<BR>\n" );
document.write( "<BR>\n" );
document.write( "<BR>\n" );
document.write( "\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=3%2Alog%282%2C%28x%29%29=6 ALIGN=MIDDLE  ALT=\"3%2Alog%282%2C%28x%29%29=6\"   DISABLED_style= \"max-width:90%; height:auto;\" > Combine like terms.\r<BR>\n" );
document.write( "<BR>\n" );
document.write( "<BR>\n" );
document.write( "\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=log%282%2C%28x%29%29=6%2F3 ALIGN=MIDDLE  ALT=\"log%282%2C%28x%29%29=6%2F3\"   DISABLED_style= \"max-width:90%; height:auto;\" > Divide both sides by 3.\r<BR>\n" );
document.write( "<BR>\n" );
document.write( "<BR>\n" );
document.write( "\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=log%282%2C%28x%29%29=2 ALIGN=MIDDLE  ALT=\"log%282%2C%28x%29%29=2\"   DISABLED_style= \"max-width:90%; height:auto;\" > Reduce\r<BR>\n" );
document.write( "<BR>\n" );
document.write( "<BR>\n" );
document.write( "\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=x=2%5E2 ALIGN=MIDDLE  ALT=\"x=2%5E2\"   DISABLED_style= \"max-width:90%; height:auto;\" > Convert to exponential form.\r<BR>\n" );
document.write( "<BR>\n" );
document.write( "<BR>\n" );
document.write( "\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=x=4 ALIGN=MIDDLE  ALT=\"x=4\"   DISABLED_style= \"max-width:90%; height:auto;\" > Square 2 to get 4.\r<BR>\n" );
document.write( "<BR>\n" );
document.write( "<BR>\n" );
document.write( "\n" );
document.write( "So the solution is <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=x=4 ALIGN=MIDDLE  ALT=\"x=4\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
document.write( "\n" );
document.write( " </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );