Question 1164414
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An equation to start with is


    G + (G-4) = 66 - 5 - 5


    2G - 4    = 56

    2G        = 56 + 4

    2G        = 60

     G        = 60/2 = 30.


<U>ANSWER</U>.  Gabriel is 30 years old now.
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