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Given the function f ( x ) = 3 x − 1 , find x when f(x) = 20. Show the work that leads to your answer.
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Given the function f ( x ) = 3 x − 1 , find x when f(x) = 20. Show the work that leads to your answer.

User Filthy
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1 Answer

3 votes

Answer:


20 = 3x - 1 \\ 20 + 1 = 3x \\ 21 = 3x \\ x = 7

Explanation:

first add the one with 20 then divide by 3

User Deelux
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