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1 July, 02:20

Find two numbers a and b whose sum a+b is - 3, and whose difference a-b is - 7. Your answer is

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  1. 1 July, 04:36
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    a = - 5

    b = 2

    Step-by-step explanation:

    a+b=-3

    a-b = - 7 +

    2a = - 10

    a = - 10/2

    a = - 5

    a + b = - 3

    -5 + b = - 3

    b = - 3 + 5

    b = 2
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