Mathematics

4 September, 14:43

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

+1

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