document.write( "Question 303956: log2 (x + 4) = 3 + log2 (x - 5)\r
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Algebra.Com's Answer #217758 by nerdybill(7384)\"\" \"About 
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log2 (x + 4) = 3 + log2 (x - 5)
\n" ); document.write( "log2 (x + 4) - log2 (x - 5) = 3
\n" ); document.write( "log2 (x + 4)/(x - 5) = 3
\n" ); document.write( "(x + 4)/(x - 5) = 2^3
\n" ); document.write( "(x + 4)/(x - 5) = 8
\n" ); document.write( "(x + 4) = 8(x - 5)
\n" ); document.write( "x + 4 = 8x - 40
\n" ); document.write( "x + 44 = 8x
\n" ); document.write( "44 = 7x
\n" ); document.write( "44/7 = x
\n" ); document.write( "6.2857 = x\r
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