laureneaves laureneaves

07-04-2022
Mathematics

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Please help I will give brainliest.

Please help I will give brainliest class=

Respuesta :

lpina68 lpina68

07-04-2022

Answer:

c = 9

Step-by-step explanation:

You're looking for a number so that when you use that number in place of x, you end up with 20.

f(x) = 3x - 7

f(c) = 3c - 7

20 = 3c - 7

Add 7

27 = 3c

Divide by 3

9 = c

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