Mathematics, 24.11.2019 23:31, chloebaby8

Simonne used the following steps to simplify the given expression. 12 - 3(-2x + 4)
step 1: 12 + (–3)·(–2x) + (–3)·(4)
step 2: 12 + 6x + (–12)
step 3: 12 + (–12) + 6x
step 4: 0 + 6x step 5: 6x

what property of real numbers was used to transition from step 3 to step 4?
a. identity property of addition
b. inverse property of addition
c. associative property of addition
d. commutative property of addition

Answers: 1

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Simonne used the following steps to simplify the given expression. 12 - 3(-2x + 4)
step 1: 1...