document.write( "Question 1131605: If(y-1)log4 = ylog16, without using Mathematical table or calculator. Find the value of y.
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Algebra.Com's Answer #748309 by MathTherapy(10552)\"\" \"About 
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\n" ); document.write( "If(y-1)log4 = ylog16, without using Mathematical table or calculator. Find the value of y.
\n" ); document.write( "The bases are in 10.
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\"matrix%281%2C3%2C+%28y+-+1%29+%2A+log+%28%284%29%29%2C+%22=%22%2C+y+%2A+log%2816%29%29\"
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document.write( "\"matrix%281%2C3%2C+log+%28%284%29%29%5E%28y+-+1%29%2C+%22=%22%2C+log+%28%2816%29%29%5Ey%29\" ------ Applying \"matrix%281%2C3%2C+a+%2A+log%28%28b%29%29%2C+%22=%22%2C+log+%28%28b%29%29%5Ea%29\"
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document.write( "\"matrix%281%2C3%2C+log+%28%284%29%29%5E%28y+-+1%29%2C+%22=%22%2C+log+%28%284%5E2%29%29%5Ey%29\" ------ Changing 16 to base 4, or 42
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document.write( "Since SAME-BASE logs are equal, we get: y - 1 = 2y
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document.write( "                                       - 1 = 2y - y
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document.write( "                                       \"highlight_green%28matrix%281%2C3%2C+-+1%2C+%22=%22%2C+y%29%29\" \n" );
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