document.write( "Question 949792: Steven is 12 years older than chris, last year he was twice as old as chris. how old are they now? \n" ); document.write( "
Algebra.Com's Answer #579878 by macston(5194)![]() ![]() You can put this solution on YOUR website! S=Steven's age; C=Chris's age \n" ); document.write( "S=C+12 \n" ); document.write( "S-1=2(C-1) Substitute for S \n" ); document.write( "C+12-1=2C-2 Add 2 to each side, \n" ); document.write( "C+13-2C Subtract C from each side. \n" ); document.write( "13=C ANSWER 1: Chris is 13 years old. \n" ); document.write( "S=C+12=13+12=25 ANSWER 2: Steven is 25 years old. \n" ); document.write( "CHECK \n" ); document.write( "S-1=2(C-1) \n" ); document.write( "25-1=2(13-1) \n" ); document.write( "24=2(12) \n" ); document.write( "24=24 \n" ); document.write( " \n" ); document.write( " |