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31 January, 22:11

100pts: Prove or disprove: If x is a 2 digit number, and y is the number formed by reversing the order of X's digits, then x + y = 11 (x+y).

For example, if x is 54 then y is 45.

I give brainliest!

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  1. 31 January, 23:48
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    Step-by-step explanation:

    If we use this formula then

    X is 54 y is 45

    54 + 45 = 11 (54 + 45)

    99 = 11 (99)

    99 = 1089

    = 1089 - 99

    = 990
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