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3 August, 00:31

What value will make the equation true?

-2.1 - ? = - 12

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Answers (1)
  1. 3 August, 04:10
    0
    x = 9.9

    Step-by-step explanation:

    Step 1: Solve for x

    Add 2.1 to both sides ...

    -2.1 - x + 2.1 = - 12 + 2.1

    -x = - 9.9

    Multiply both sides by - 1 ...

    -x * - 1 = - 9.9 * - 1

    x = 9.9

    Answer: x = 9.9
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