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2 years ago

8

F(x)=3x-7 find the value of c so that f(c) =20 is true

2 answers:

Andreas93 [3]2 years ago

7 0

<u>Answer</u>:

c = 9

<u>Explanation</u>:

given: f(x)=3x-7

<em>if f(c) =20</em>

To solve this replace x with c and then y is 20.

<u>Solve</u>:

3c - 7 = 20

3c = 27

c = 27 ÷ 3

c = 9

Harman [31]2 years ago

3 0

Answer: C = 9

Step-by-step explanation:

hope this helps

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