Mathematics, 19.11.2019 12:31 hartmaaj95

The work of a student to solve the equation 4(2x − 4) = 8 + 2x + 8 is shown below:

step 1: 4(2x − 4) = 8 + 2x + 8
step 2: 6x − 8 = 16 + 2x
step 3: 6x − 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?

Answers: 1

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The work of a student to solve the equation 4(2x − 4) = 8 + 2x + 8 is shown below:

step...