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29 July, 03:44

The sum of the equations - 8x - 2y = 54 and 4x + 10y = 10 is an equation in one variable.

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  1. 29 July, 03:47
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    Multiplying first equation by. 5:

    A) - 4x - y = 27 then adding equation B)

    B) 4x + 10y = 10

    9y = 37

    y = 4.1111111111

    x =

    -4x - 4.1111111111 = 27

    -4x = 31.1111111111

    x = - 7.7777777778
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