document.write( "Question 919118: r+18=20 \n" ); document.write( "
Algebra.Com's Answer #557495 by Kiera-Krum(1) ![]() You can put this solution on YOUR website! r+18=20 \n" ); document.write( "r+18-18=20-18 \n" ); document.write( "r+18-18 =2 ( Cross out the 18 ) \n" ); document.write( " \n" ); document.write( "so the answer is (r=2) \n" ); document.write( " |