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Given f(x) = 9x + 54, find x when f(x) = 18.​

Given f(x) = 9x + 54, find x when f(x) = 18.​
asked 46.4k views
25 votes
Given f(x) = 9x + 54, find x when f(x) = 18.​

asked
User Max Martynov
by
7.5k points

2 Answers

4 votes

Answer:

-4

Explanation:


18 = 9x + 54 \\ 18 - 54 = 9x \\ - 36 = 9x \\ ( - 36)/(9) = x \\ - 4 = x

answered
User Mfuchs
by
7.6k points
9 votes

Answer:

-4

Explanation:

answered
User Namratha
by
8.7k points
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