SOLUTION: Mary's age is 12, which is 4 less than 2 times Donald's age

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Question 855227: Mary's age is 12, which is 4 less than 2 times Donald's age
Answer by ewatrrr(24785) About Me  (Show Source):
You can put this solution on YOUR website!
 

Hi,

Let x represent Donald's age

Question States***

 2x-4 = 12

   2x = 16

    x = 8,  Donald's age