document.write( "Question 381798: 4^(2x-3)=18 Please help me solve. \n" ); document.write( "

Algebra.Com's Answer #270797 by nerdybill(7384) $\"\"$ $\"About$

You can put this solution on YOUR website!
$\"4%5E%282x-3%29=18+\"$
\n" ); document.write( "take log base 4 of both sides:
\n" ); document.write( " $\"2x-3+=+log%284%2C18%29+\"$
\n" ); document.write( "change of base
\n" ); document.write( " $\"2x-3+=+log%2818%29%2Flog%284%29+\"$
\n" ); document.write( " $\"2x+=+log%2818%29%2Flog%284%29+%2B+3+\"$
\n" ); document.write( " $\"x+=+%28log%2818%29%2Flog%284%29+%2B+3%29%2F2+\"$
\n" ); document.write( " $\"x+=+2.5425+\"$
\n" ); document.write( " \n" ); document.write( "

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