Fenn wrote:
Is she angry because it should say
x = + 5
?
No, it's because 2 is being treated as if it were a common factor and the wildly incompetent student is half right completely by accident. You might see the following from the same imaginary student:
x3 = 35
x3 = 35
x = 5
_________________
Behold! we are not bound for ever to the circles of the world, and beyond them is more than memory, Farewell!