For the algebra interaction type, you can indicate whether a step is a **trivial step**. To accept the student input as a correct step, but not including the step in the worked solution or in hints, the concept of **trivial step** has been introduced.

For example, let’s consider the example exercise that is given for student variables. In this exercise, the student is able to enter inputs a=2 and b=4.

In case the question text would have already revealed that the value of the offset was 4, the step to calculate b would be unnecessary. However, it might be that a student would enter b=4. By checking the setting for trivial step for step b, it is assumed to be known by the student and therefore will not appear in the worked solution or in hints, but is accepted as student input.

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