Algebra
posted by keirsa .
Is the following problem correct?:
8 − (2 E 3 − 9) = 8  (12) = 20
If not, please explain what the student did wrong?

I don't know what "E" means. If it is exponent, an exponent is indicated online by "^" (e.g., x^2 = x squared).
8  (2^3  9) = 8  (89) = 8 (1) = 8 + 1 = 9