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29 October, 07:22

Consider the equation: 3 (-4n - 9) = 21

Use the distributive property and properties of equality to solve for n.

n = ?

+1
Answers (1)
  1. 29 October, 10:48
    0
    3 (-4b - 9) = 21

    3 * - 4 = - 12 3 * - 9 = - 27

    -12b - 27 = 21

    +27 + 27

    -12b = 48 "Divide both sides by 12b"

    n = - 4
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