document.write( "Question 861910: Solve equation. Round to the nearest ten-thousandths. 5-3^x = -40 \n" ); document.write( "
Algebra.Com's Answer #519379 by Alan3354(69443)\"\" \"About 
You can put this solution on YOUR website!
5-3^x = -40
\n" ); document.write( "If it's 5 - (3)^x = -45 and not (-3)^x
\n" ); document.write( "-3^x = -45
\n" ); document.write( "3^x = 45
\n" ); document.write( "x*log(3) = log(45)
\n" ); document.write( "x = log(45)/log(3)
\n" ); document.write( "x =~ 3.465
\n" ); document.write( "=================
\n" ); document.write( "
\n" ); document.write( "
\n" );