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

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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