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30 September, 06:35

How do you check?

-5r+-3=51

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Answers (1)
  1. 30 September, 08:24
    0
    -5r + (-3) = 51

    Add 3 to both sides:

    -5r = 54

    Divide both sides by - 5 to get r alone:

    r = - 10.8

    To check this, plug in - 10.8 into the equation: - 5 (-10.8) + (-3) = 51

    54 + (-3) = 51

    54 - 3 = 51

    51 = 51

    This statement is true, so the answer is correct.
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