document.write( "Question 831286: solve using the substitution method r-7s=0 and 9r-2s=61 \n" ); document.write( "
Algebra.Com's Answer #501223 by Alan3354(69443)![]() ![]() You can put this solution on YOUR website! solve using the substitution method r-7s=0 and 9r-2s=61 \n" ); document.write( "------------- \n" ); document.write( "r-7s=0 --> r = 7s Sub for r in the other equation. \n" ); document.write( "9r-2s=61 \n" ); document.write( " \n" ); document.write( " |