document.write( "Question 1102750: 2. Solve the following equations, giving exact values if possible.
\n" ); document.write( "a. 9^x-1 = (1/3)^2x
\n" ); document.write( "b. ln(x+2)=3
\n" ); document.write( "c. log27(x)=1-log27(x-0.4)
\n" ); document.write( "d. logb6=1/2
\n" ); document.write( "

Algebra.Com's Answer #717480 by Fombitz(32388)\"\" \"About 
You can put this solution on YOUR website!
\"9%5E%28x-1%29+=+%281%2F3%29%5E%282x%29\"
\n" ); document.write( "\"%283%5E2%29%5E%28x-1%29=%283%5E%28-1%29%29%5E%282x%29\"
\n" ); document.write( "\"3%5E%282%28x-1%29%29=3%5E%28-2x%29\"
\n" ); document.write( "\"2x-2=-2x\"
\n" ); document.write( "\"4x=2\"
\n" ); document.write( "\"x=1%2F2\"
\n" ); document.write( ".
\n" ); document.write( ".
\n" ); document.write( ".
\n" ); document.write( "\"ln%28x%2B2%29=3\"
\n" ); document.write( "\"x%2B2=e%5E3\"
\n" ); document.write( "\"x=e%5E3-2\"
\n" ); document.write( ".
\n" ); document.write( ".
\n" ); document.write( ".
\n" ); document.write( "\"log%2827%2C%28x%29%29=1-log%2827%2C%28x-0.4%29%29\"
\n" ); document.write( "\"log%2827%2C%28x%29%29%2Blog%2827%2C%28x-0.4%29%29=1\"
\n" ); document.write( "\"log%2827%2C%28x%28x-0.4%29%29%29=1\"
\n" ); document.write( "\"x%28x-0.4%29=27\"
\n" ); document.write( "\"x%5E2-0.4x=27\"
\n" ); document.write( "\"x%5E2-0.4x%2B0.04=27.04\"
\n" ); document.write( "\"%28x-0.2%29%5E2=0+%2B-+5.2\"
\n" ); document.write( "\"x=0.2+%2B-+5.2\"
\n" ); document.write( "x must be positive so,
\n" ); document.write( "\"x=5.4\"
\n" ); document.write( ".
\n" ); document.write( ".
\n" ); document.write( ".
\n" ); document.write( "\"log%28b%2C%286%29%29=1%2F2\"
\n" ); document.write( "\"log%28%286%29%29%2Flog%28%28b%29%29=1%2F2\"
\n" ); document.write( "\"log%28%28b%29%29=log%28%286%29%29%2F%281%2F2%29\"
\n" ); document.write( "\"log%28%28b%29%29=2%2Alog%28%286%29%29\"
\n" ); document.write( "\"log%28%28b%29%29=log%28%2836%29%29\"
\n" ); document.write( "\"b=36\"\r
\n" ); document.write( "\n" ); document.write( "
\n" ); document.write( "
\n" );