# SOLUTION: Pleas help me~ The sum of two numbers is 21. Find both numbers if twice the smaller number is 3 more than the larger number. Thank you.

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 Click here to see ALL problems on Evaluation Word Problems Question 393991: Pleas help me~ The sum of two numbers is 21. Find both numbers if twice the smaller number is 3 more than the larger number. Thank you.Answer by pie90010(44)   (Show Source): You can put this solution on YOUR website!Let x be one # (the smaller one) Let y be another # (the larger one) x + y = 21 2x = y + 3 The first equation is fine, line up the second one 2x - y = 3 x + y = 21 the Y's cancel , now add them up 3x = 24 divide both sides by 3 and x = 8 Now to get Y just plug it in to one of the original equations 8 + y = 21 y = 13 The two numbers are 8, 13