# SOLUTION: one number is 3 more than twice another number. If their sum is 21, find the numbers

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 Click here to see ALL problems on Linear Equations And Systems Word Problems Question 358418: one number is 3 more than twice another number. If their sum is 21, find the numbersAnswer by mananth(12270)   (Show Source): You can put this solution on YOUR website!let one number be x the other number will be 2x+3 ... x+2x+3=21 3x+3=21 -3 3x=21-3 3x=18 /3 x=18/3 x= 3 .. the other number = 2x+3= 6+3=9 ... m.ananth@hotmail.ca