document.write( "Question 72972: I really don't understand any of this substitution stuff so i was wondering if you could help me understand \n" ); document.write( "
Algebra.Com's Answer #52257 by jim_thompson5910(35256)![]() ![]() ![]() You can put this solution on YOUR website! Post a problem and I'll be happy to help you out. \n" ); document.write( " |