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22 May, 15:19

Suppose a+b=0 so what equals a-b

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Answers (1)
  1. 22 May, 15:46
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    a-b = 2a

    a-b = - 2b

    Step-by-step explanation:

    a+b = 0

    Subtract b from each side

    a+b - b=0-b

    a = - b

    a-b =

    Replace a with - b

    -b - b = - 2b

    a = - b

    Divide by - 1

    -a = b

    or replace b with - a

    a - (-a)

    a+a

    2a
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