Mathematics, 02.07.2019 22:40 lberries08

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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Ateacher asked the class to solve the equation 3(x + 2) = 21. robert wrote 3x + 6 = 21 as his first...

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