document.write( "Question 251114: Can you please help me??? & can you please do it step by step??? Thank you!\r
\n" ); document.write( "\n" ); document.write( "5 log base 25 (4x) = 8
\n" ); document.write( "

Algebra.Com's Answer #182859 by MRperkins(300)\"\" \"About 
You can put this solution on YOUR website!
Email me at justin.sheppard.tech@hotmail.com
\n" ); document.write( "I will provide you with a link to an online whiteboard where I will help you with your logarithm problems. I will edit my answer while I am waiting for your response to try and include a summary of how to do this, but the whiteboard is definitely the best way to go.\r
\n" ); document.write( "\n" ); document.write( "Respectfully,
\n" ); document.write( "Justin\r
\n" ); document.write( "\n" ); document.write( "EDIT: 5 log base 25 (4x) = 8
\n" ); document.write( "log base 25 (4x) = 8/5
\n" ); document.write( "\"%28log+4x%29%2F%28log+25%29\"=8/5 <---Change of base formula
\n" ); document.write( "log 4x=(8/5)log 25
\n" ); document.write( ".
\n" ); document.write( "\"10%5E%28%288%2F5%29log+25%29=4x\"
\n" ); document.write( ".
\n" ); document.write( "\"%2810%5E%28%288%2F5%29log+25%29%29%2F4=x\"
\n" ); document.write( "Calculator approximation is x=43.1166
\n" ); document.write( "
\n" );