document.write( "Question 1037395: can you explain how you can do this pls a-b-2a+4b-a+2b \n" ); document.write( "
Algebra.Com's Answer #652041 by josgarithmetic(39620)\"\" \"About 
You can put this solution on YOUR website!
You mean SIMPLIFY the expression?\r
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\n" ); document.write( "\n" ); document.write( "\"a-b-2a%2B4b-a%2B2b\"\r
\n" ); document.write( "\n" ); document.write( "\"a%2B%28-b%29%2B%28-2a%29%2B4b%2B%28-a%29%2B2b\", the meaning of subtraction\r
\n" ); document.write( "\n" ); document.write( "\"a%2B%28-2a%29%2B%28-a%29%2B%28-b%29%2B4b%2B2b\", commutative property for addition\r
\n" ); document.write( "\n" ); document.write( "\"-2a%2B5b\"
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