document.write( "Question 109206: √8-x+6=4 \n" ); document.write( "

Algebra.Com's Answer #79832 by ankor@dixie-net.com(22740) $\"\"$ $\"About$

You can put this solution on YOUR website!
:
\n" ); document.write( " $\"sqrt%288+-+x+-+6%29+=+4\"$
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\n" ); document.write( " $\"sqrt%282+-+x%29+=+4\"$
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\n" ); document.write( "Square both sides:
\n" ); document.write( "2 - x = 4^2
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\n" ); document.write( "2 - x = 16
\n" ); document.write( ":
\n" ); document.write( "-x = 16 - 2
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\n" ); document.write( "-x = 14
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\n" ); document.write( "We always want our unknown (x) to be positive, multiply equation by -1
\n" ); document.write( "x = -14
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\n" ); document.write( "Check solution in original equation:
\n" ); document.write( " $\"sqrt%288+-+%28-14%29+-+6%29+=+4\"$
\n" ); document.write( " $\"sqrt%288+%2B+14+-+6%29+=+4\"$ ; minus a minus is a plus
\n" ); document.write( " $\"sqrt%2816%29+=+4\"$
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\n" ); document.write( "Did this help you?
\n" ); document.write( ":
\n" ); document.write( "Next time you can write it Sqrt(8 - x - 6) = 4; brackets make it clear
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