document.write( "Question 706224: log2 (y+2)-log2(y-2)=1 \n" ); document.write( "
Algebra.Com's Answer #435025 by nerdybill(7384)\"\" \"About 
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log2 (y+2)-log2(y-2)=1
\n" ); document.write( " log2 (y+2)/(y-2)=1
\n" ); document.write( " (y+2)/(y-2)=2^1
\n" ); document.write( " (y+2)/(y-2)=2
\n" ); document.write( " (y+2)=2(y-2)
\n" ); document.write( " y+2=2y-4
\n" ); document.write( " 2=y-4
\n" ); document.write( " 6=y\r
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