document.write( "Question 12037: i need to know the steps so that i may help my son under stand more clearly.The processof expressions involving variables and substitution. \n" ); document.write( "
Algebra.Com's Answer #6111 by rapaljer(4671)\"\" \"About 
You can put this solution on YOUR website!
Please see my Lesson Plan which is called \"Variables and Substitution\" right here on your user-friendly algebra.com!!\r
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\n" ); document.write( "\n" ); document.write( "R^2 at SCC
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