@GaryPaulWood
More importantly, this is the exact case, where you can see a student being punished fur understanding the principle of equasion and the comutative property.
This cannot possibly lead to anything else, but students learning to ignore the logic and focus 100% on the expected steps.
@GaryPaulWood @themilkman
The intent of the question was clear, and the kid passed.
The teacher, on the other hand, should get a different job. Might I recommend a servitor duty?