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25 December, 22:42

Twice a number is equal to negative four. Which equation could be used to find the number?

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Answers (2)
  1. 26 December, 01:47
    0
    2x = - 4

    Step-by-step explanation:

    x is 'a number'

    If you wanted to solve your equation:

    2x = - 4

    2x/2 = - 4/2 Divide both sides by 2

    (To get x alone)

    x=-2
  2. 26 December, 02:09
    0
    2n = - 4

    n = - 4 : 2

    n = - 2
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