Given f(x) = 5x - 4, find the value of x if f(x) = 31 A. 7 B. 27/5 C. 151 D. -7

1 answer:

8 0

The answer is A. 7 I believe.

31= 5x - 4

You have to do 31 + 4 and you get 35.
The last step is to do 35 divide 5 and you get 7.

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