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18 January, 15:49

What is the answer to this problem?

e+f = 12

4e + f = 33

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Answers (1)
  1. 18 January, 19:28
    0
    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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