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Help you solve math

05/09/2017 at 15:32
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2
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x . 3 + x . 2 = 50

x . 5 + x . 3 = 120




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  • ...
    Math You Like 05/09/2017 at 15:34

    x . 3 + x . 2 = 50                                   x . 5 + x . 3 = 120 

    x . (3 + 2) = 50                                     x . (5 + 3) = 120

    x . 5 = 50                                              x . 8 = 120

    x = 50 : 5                                              x = 120 : 8

    x = 10                                                   x = 15

  • ...
    Dao Trong Luan 05/09/2017 at 15:35

    x.3 + x.2 = 50

    => x.\(\left(3+2\right)\) = 50

    => x . 5 = 50

    => x = 50/5

    => x = 10

    x . 5 + x . 3 = 120

    => x.\(\left(5+3\right)\) = 120

    => x . 8 = 120

    => x = 120/8

    => x = 15


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