document.write( "Question 731651: If (2^x) + (2^x) + (2^x) + (2^x) = (2^k), express x in terms of k \n" ); document.write( "

Algebra.Com's Answer #447206 by MathLover1(20850) $\"\"$ $\"About$

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$\"2%5Ex+%2B+2%5Ex+%2B+2%5Ex+%2B+2%5Ex+=+2%5Ek\"$ \r
\n" ); document.write( "\n" ); document.write( " $\"%282%5Ex+%2B+2%5Ex+%29%2B+%282%5Ex+%2B+2%5Ex+%29=+2%5Ek\"$ \r
\n" ); document.write( "\n" ); document.write( " $\"2%5E%28x%2B1%29+%2B+2%5E%28x%2B1%29+=+2%5Ek\"$ \r
\n" ); document.write( "\n" ); document.write( " $\"2%5E%28x%2B1%2B1%29+=+2%5Ek\"$ \r
\n" ); document.write( "\n" ); document.write( " $\"2%5E%28x%2B2%29+=+2%5Ek\"$ ....if base same, exponents are same too\r
\n" ); document.write( "\n" ); document.write( " $\"x%2B2+=+k\"$ \r
\n" ); document.write( "\n" ); document.write( " $\"x=+k-2\"$ ...... $\"x\"$ in terms of $\"k\"$ \n" ); document.write( "

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