Solve for Y. Please Show your work
3 − 4 = 12

A) = −3 + 12 Mr. Brown was in the student center.
B) = 3
4 − 12 Mrs. Teal was in the library.
C) = − 3
4 + 6 Mr. Maroon was in the auditorium.
D) = − 3
4 + 3 Miss Violet was in the principal’s office.
E) = 3
4 − 3 Dr. Navy was in the cafeteria.