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Given f(x) = 2x + 5, find x when f(x) = 45
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4 votes
Given f(x) = 2x + 5, find x when f(x) = 45

User Vexter
by
4.3k points

2 Answers

6 votes

Answer:

f(x) = 2x + 5 = 45

2x + 5 = 45

5-25=2x

40=2x

x = 20

User Justberare
by
3.7k points
1 vote

Explanation:

f(x) = 2x + 5 = 45

2x + 5 = 45

2x = 45 - 5

2x = 40

x = 20

User Carlos Taylor
by
3.5k points
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