document.write( "Question 490756: solve the equation. if it is an identity(all real numbers) or a contradiction ( no solution) so state.
\n" ); document.write( "2x-6+x=4x-6-x
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Algebra.Com's Answer #334290 by jim_thompson5910(35256)\"\" \"About 
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\"2x-6%2Bx=4x-6-x\" Start with the given equation.\r
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\n" ); document.write( "\n" ); document.write( "\"3x-6=4x-6-x\" Combine like terms on the left side.\r
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\n" ); document.write( "\n" ); document.write( "\"3x-6=3x-6\" Combine like terms on the right side.\r
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\n" ); document.write( "\n" ); document.write( "\"3x=3x-6%2B6\" Add \"6\" to both sides.\r
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\n" ); document.write( "\n" ); document.write( "\"3x-3x=-6%2B6\" Subtract \"3x\" from both sides.\r
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\n" ); document.write( "\n" ); document.write( "\"0x=-6%2B6\" Combine like terms on the left side.\r
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\n" ); document.write( "\n" ); document.write( "\"0x=0\" Combine like terms on the right side.\r
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\n" ); document.write( "\n" ); document.write( "\"0=0\" Simplify.\r
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\n" ); document.write( "\n" ); document.write( "Since this equation is ALWAYS true for any x value, this means x can equal any number. \r
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\n" ); document.write( "\n" ); document.write( "So there are an infinite number of solutions.\r
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\n" ); document.write( "\n" ); document.write( "This means that this equation is an identity.
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