document.write( "Question 759386: 3log2 (x-1)+log2 4=5
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Algebra.Com's Answer #461999 by stanbon(75887) $\"\"$ $\"About$

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3log2 (x-1)+log2 4=5
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\n" ); document.write( "log2[4*(x-1)^3] = 5
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\n" ); document.write( "4(x-1)^3 = 2^5 = 32
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\n" ); document.write( "(x-1)^3 = 8
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\n" ); document.write( "x-1 = 2
\n" ); document.write( "x = 3
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\n" ); document.write( "Cheers,
\n" ); document.write( "Stan H.
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