document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=145425>Question 145425</A>: <I><SPAN STYLE=\"word-break: break-all;\"> 1) write log7 49=2 in exponential form.\r<BR>\n" );
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document.write( "2) use the change of base formula( property 10.9) to solve for x; x=log3 90\r<BR>\n" );
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document.write( "3) solve for x: 9/(4x)+1/3=5/(2x); (x^-1=4/3) </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #106096 by </B><A HREF=/tutors/aboutme.mpl?userid=stanbon><B>stanbon(75887)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=stanbon><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=106096\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> 1) write log7 49=2 in exponential form.<BR>\n" );
document.write( "7^2 = 49<BR>\n" );
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document.write( "2) use the change of base formula( property 10.9) to solve for x; x=log3 90 <BR>\n" );
document.write( "x = [log90]/[log3]<BR>\n" );
document.write( "x = 4.09590...<BR>\n" );
document.write( "--------------------<BR>\n" );
document.write( "3) solve for x: 9/(4x)+1/3=5/(2x); (x^-1=4/3)<BR>\n" );
document.write( "[9/(4x)] + [1/3] = [5/(2x)]<BR>\n" );
document.write( "Multiply thru by 12x to get rid of the fractions:<BR>\n" );
document.write( "27 + 4x = 30<BR>\n" );
document.write( "4x = 3<BR>\n" );
document.write( "x = 3/4<BR>\n" );
document.write( "-----------------\r<BR>\n" );
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document.write( " (x^-1=4/3)<BR>\n" );
document.write( "x = 3/4<BR>\n" );
document.write( "===========<BR>\n" );
document.write( "Cheers,<BR>\n" );
document.write( "Stan H.<BR>\n" );
document.write( " </SPAN>\n" );
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