Question

The expression 4[7+(w+5)]
is manipulated to generate an equivalent expression. In which step, if any, does the first error occur?

4[7+(w+5)]

Step 1: 4[w+(7+5)]
Apply the Associative Property of Addition and add.
Step 2: 4[w+12]

Step 3: 4⋅w+12
Apply the Distributive Property.
(1 point)
Responses

Step 1
Step 1

no error
no error

Step 3
Step 3

Step 2
Step 2
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Answer 1

Step 3.

Error: Distributing 4 across (w + 12) gives 4w + 48, not 4w + 12.