document.write( "Question 284011: How do I solve 7^2x=30 \n" ); document.write( "

Algebra.Com's Answer #206104 by nerdybill(7384) $\"\"$ $\"About$

You can put this solution on YOUR website!
$\"7%5E2x=30\"$
\n" ); document.write( "Take log base 7 of both sides:
\n" ); document.write( " $\"2x+=+log%287%2C30%29+\"$
\n" ); document.write( "Use the change of base on the right:
\n" ); document.write( " $\"2x+=+log%2830%29%2Flog%287%29+\"$
\n" ); document.write( " $\"x+=+%28log%2830%29%2Flog%287%29%29%2F2+\"$
\n" ); document.write( " $\"+x+=+0.87393+\"$ \n" ); document.write( "

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