Respuesta :

22stolc

Answer:

f = 3 1/2

Step-by-step explanation:

f = 2t - 3f     Substitute 7 for t

f = 2(7) - 3f   Multiply

f = 14 - 3f

+3f     + 3f    Add 3f to both sides

4f = 14          Divide both sides by 4

f = 3 1/2

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allivesmattertrump

Find the output, f, when the input, t, is 7.

Answer: When the input is 7, the output is 11.

so f=11

Step-by-step explanation:

I got it from khan academy.

hope this helps