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Mathematics, 23.03.2021 19:50 rachael382
Select the correct answer.
A mistake was made in the steps shown to simplify the expression. Which step includes the mistake?
* + 3(4 – 1) – 7 + 23
Step 1: = 9 + 3(3) – 7 + 23
Step 2: * + 3(3) – 7 + 8
Step 3: = (3) – 7 +
Step 4: = 7+8
Step 5: = 1 + 8
Step 6: = 4 17
СА.
Step 4
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