document.write( "Question 623867: What is the value of x in the equation 5^x+2 + 5^x+1 + 5^x = 3875? \n" ); document.write( "
Algebra.Com's Answer #392374 by lwsshak3(11628)![]() ![]() ![]() You can put this solution on YOUR website! What is the value of x in the equation 5^x+2 + 5^x+1 + 5^x = 3875? \n" ); document.write( "** \n" ); document.write( "5^x+2 + 5^x+1 + 5^x = 3875 \n" ); document.write( "3(5^x)+3=3875 \n" ); document.write( "3(5^x)=3875-3=3872 \n" ); document.write( "5^x=3872/3 \n" ); document.write( "take log of both sides \n" ); document.write( "xlog5=log3872-log3 \n" ); document.write( "x=(log3872-log3)/log5 \n" ); document.write( "x≈4.45 \n" ); document.write( " |