document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=492608>Question 492608</A>: <I><SPAN STYLE=\"word-break: break-all;\"> I need help with these questions<BR>\n" );
document.write( "5^x=125<BR>\n" );
document.write( "8^x+1=16^x<BR>\n" );
document.write( "81^(3/4)=x<BR>\n" );
document.write( "8^(-2/3)=x </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #335303 by </B><A HREF=/tutors/aboutme.mpl?userid=lwsshak3><B>lwsshak3(11628)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=lwsshak3><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=335303\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> solving for x:<BR>\n" );
document.write( "..<BR>\n" );
document.write( "5^x=125<BR>\n" );
document.write( "5^x=5^3<BR>\n" );
document.write( "x=3<BR>\n" );
document.write( "..<BR>\n" );
document.write( "8^x+1=16^x<BR>\n" );
document.write( "don't know how to do the algebra on this one.<BR>\n" );
document.write( "My graphing program gives and answer of x=.464968..<BR>\n" );
document.write( "..<BR>\n" );
document.write( "81^(3/4)=x<BR>\n" );
document.write( "Take the 4th root of 81 and cube it<BR>\n" );
document.write( "81^(1/4)=3<BR>\n" );
document.write( "3^2=9<BR>\n" );
document.write( "x=9<BR>\n" );
document.write( "..<BR>\n" );
document.write( "8^(-2/3)=x<BR>\n" );
document.write( "Take the cube root of 8 and raise it to -2 power<BR>\n" );
document.write( "8^1/3=2<BR>\n" );
document.write( "2^-2=1/2^2=1/4<BR>\n" );
document.write( "x=1/4 </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );