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Mathematics, 21.04.2021 14:00 sports1997

The work of a student trying to solve the equation 2(4x βˆ’ 3) = 9 + 2x + 6 is shown below: Step 1: 2(4x βˆ’ 3) = 9 + 2x + 6 Step 2: 8x βˆ’ 3 = 15 + 2x Step 3: 8x βˆ’ 2x = 15 + 3 Step 4: 6x = 18 Step 5: x = 3 In which step did the student first make an error and what is the correct step? (4 points) a Step 2: 8x βˆ’ 3 = 15 + 2x b Step 2: 8x βˆ’ 6 = 15 + 2x c Step 3: 8x + 2x = 15 + 2 d Step 3: 8x βˆ’ 2x = 15 βˆ’ 2

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The work of a student trying to solve the equation 2(4x βˆ’ 3) = 9 + 2x + 6 is shown below: Step 1: 2(...
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