Ateacher asked the class to solve the equation 3(x + 2) = 21.
robert wrote 3x + 6 = 21 as his...
Mathematics, 28.09.2019 11:00 iamabouttofail
Ateacher asked the class to solve the equation 3(x + 2) = 21.
robert wrote 3x + 6 = 21 as his first step. which property did he use?
(1) associative property (3) distributive property
(2) commutative property (4) zero property of addition
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