Question 1196713
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Let the unknown number of years will be x.


Then you have this equation

    37 + x = 2*(10+x)


Simplify and find x

    37 + x = 20 + 2x

    37 - 20 = 2x - x

       17   =    x.


<U>ANSWER</U>.  In 17 years.
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Solved.