document.write( "Question 670971: 3 - 3x = -3x - x \n" ); document.write( "

Algebra.Com's Answer #417232 by ReadingBoosters(3246) $\"\"$ $\"About$

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3 - 3x = -3x - x
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\n" ); document.write( "Isolate x variables to one side
\n" ); document.write( " $\"3+-+cross%283x%29+%2B+cross%283x%29+=+-3x+-+x+%2B+highlight%283x%29\"$
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\n" ); document.write( "Combine like terms
\n" ); document.write( "3 = -3x - x + 3x
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\n" ); document.write( "3 = -x
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\n" ); document.write( "Divide both sides by -1
\n" ); document.write( " $\"3%2Fhighlight%28-1%29+=+cross%28-1%29x%2Fcross%28-1%29+\"$
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\n" ); document.write( " $\"highlight_green%28x+=+-3%29\"$
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