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19 July, 16:50

How old am i if 509 reduces by 3 times my age is 209?

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  1. 19 July, 20:17
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    509-3a=209

    509-509-3a=209-509

    -3a=-300

    -3a/-3=-300/-3

    a=100

    Your age is 100 years old.

    Check:

    509-3a=209

    509-3 (100) = 209

    509-300=209

    209=209
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