2000022271 2000022271

14-04-2020
Mathematics

contestada

What is the answer to this problem?

e+f = 12
4e + f = 33

Respuesta :

DGBxBigxBrain DGBxBigxBrain

14-04-2020

Answer:f=5 e=7

Step-by-step 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

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