The work of a student to solve the equation 4(2x β 4) = 8 + 2x + 8 is shown below:
step...
Mathematics, 27.09.2019 16:30 breanastone14
The work of a student to solve the equation 4(2x β 4) = 8 + 2x + 8 is shown below:
step 1: 4(2x β 4) = 8 + 2x + 8
step 2: 6x β 8 = 16 + 2x
step 3: 6x β 2x = 16 + 8
step 4: 4x = 24
step 5: x = 6
in which step did the student first make an error and what is the correct step?
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