document.write( "Question 180109: Solve each equation. Check for extraneous solutions.\r
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\n" ); document.write( "\n" ); document.write( "1. [7x+2]-2=7x\r
\n" ); document.write( "\n" ); document.write( "2.(-2-x)^0.5-x=2
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Algebra.Com's Answer #134997 by Alan3354(69443)\"\" \"About 
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Solve each equation. Check for extraneous solutions. \r
\n" ); document.write( "\n" ); document.write( "1. [7x+2]-2=7x
\n" ); document.write( "7x = 7x
\n" ); document.write( "There's no unique solution, x can be any value.
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\n" ); document.write( "2.(-2-x)^0.5-x=2
\n" ); document.write( "Square both sides
\n" ); document.write( "-2-x = 4
\n" ); document.write( "x = -6\r
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