document.write( "Question 293706: When adding or subtracting expressions,How do you identify the like terms? \n" ); document.write( "
Algebra.Com's Answer #211966 by Alan3354(69443)\"\" \"About 
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It's the same variable with the same exponent.
\n" ); document.write( "eg, \"x%5E2+-+y%5E3+-+x%5E2y\" none can be combined
\n" ); document.write( "\"3x%5E2y+%2B+5x%5E2y+=+8x%5E2y\"\r
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