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15 December, 02:09

Select the correct answer.

Hattie rewrote the equation as shown:

9n + 7 - 2n = 4 (-n + 5) - 3n

9n + 7 - 2n = - 4n + 20 - 3n

Which property did she use to rewrite the equation?

A.

addition property of equality

B.

distributive property

C.

multiplication property of equality

D.

substitution property

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Answers (1)
  1. 15 December, 03:52
    0
    B distributive property
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