document.write( "Question 663844: 9x-2x=-42 solve equation \n" ); document.write( "
Algebra.Com's Answer #412973 by MathLover1(20850)\"\" \"About 
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\n" ); document.write( "\n" ); document.write( "\"9x-2x=-42\"\r
\n" ); document.write( "\n" ); document.write( "\"%289-2%29x=-42\"\r
\n" ); document.write( "\n" ); document.write( "\"7x=-42\"\r
\n" ); document.write( "\n" ); document.write( "\"x=-42%2F7\"\r
\n" ); document.write( "\n" ); document.write( "\"x=-6\"
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