Could you please Help Me?
The work of a student to solve the equation
2(5y β 2) = 12 + 6y is...
Mathematics, 29.01.2021 09:20 babbybronx
Could you please Help Me?
The work of a student to solve the equation
2(5y β 2) = 12 + 6y is shown below:
Step 1: 2(5y β 2) = 12 + 6y
Step 2: 7y β 4 = 12 + 6y
Step 3: y β 4 = 10
Step 4: y = 14
Step 5: y = 7
In which step did the student first make an error and what is the correct step? Step 2: 7y β 4 = 6 + 3y
Step 2: 10y β 4 = 12 + 6y
Step 3: 5y β 2 = 2(10 + 3y)
Step 3: 2(5y β 2) = 10 + 3y
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