document.write( "Question 341649: That is log base 2 btw, Having a hard time figuring this out. \r
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document.write( "log2 (x + 4) = 3 + log2 (x - 5) \n" );
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Algebra.Com's Answer #244701 by ankor@dixie-net.com(22740)![]() ![]() You can put this solution on YOUR website! log2 (x + 4) = 3 + log2 (x - 5) \n" ); document.write( ": \n" ); document.write( "Subtract log2 (x-5) from both sides \n" ); document.write( "log2 (x + 4) - log2 (x - 5) = 3 \n" ); document.write( "same as \n" ); document.write( "log2( \n" ); document.write( "The exponent equiv \n" ); document.write( " \n" ); document.write( "8 = \n" ); document.write( ": \n" ); document.write( "8(x-5) = x + 4 \n" ); document.write( "8x - 40 = x + 4 \n" ); document.write( "8x - x = 4 + 40 \n" ); document.write( "7x = 44 \n" ); document.write( "x = |