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16 January, 12:49

F + 20 = - 1

Solve the equation and check your solution

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Answers (1)
  1. 16 January, 14:14
    0
    f=-21

    Step-by-step explanation:

    -21+20=-1

    f has to be a negative number as the answer is negative and - 21 is the only plug in that would make sence as the answer is negative one.
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