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17 December, 04:49

Complete steps. two numbers differ by 57. their sum is 185. find the numbers. choices for the smaller number: 54, 64, 74

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  1. 17 December, 04:53
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    X-y=57

    x+y=185

    x=185-y

    substitute into first equation

    (185-y) - y=57

    185-2y=57

    -2y=57-185

    -2y=-128

    y=64 substitute into first equation to find x

    x-64=57

    x=57+64

    x=121
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