Question

What is the answer to this problem?

e+f = 12
4e + f = 33

Answer 1

Answer:f=5 e=7

Explanation:

subtrscting e+f=12 from 4e+f=33 you get 3e=21 dividing by 3 you get e=7 plunging 7 in first equation you get 7+f=12 subtracting 7 you get f=5