A teacher asked the class to solve the equation 3(x + 2) = 21. Jade wrote 3x + 6 = 21 as her first step. Which property did she use: Commutative, Associative, Distributive, or Equality?
Distributive
While solving the equation 4(x + 2) = 28, Melissa wrote 4x + 8 = 28. Which property did she use: Commutative, Associative, Distributive, or Equality?
Distributive
When solving p + 5 = 8p - 7, Josh wrote p + 12 = 8p. Which property did he use: Commutative, Associative, Distributive, or Equality?
Equality
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