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Determine the value of x when f(x) = 5x + 20.

a. 100
b. 16
c. 25
d. 5/4

User Babiker
by
8.0k points

1 Answer

3 votes

Final answer:

To find the value of x when f(x) = 5x + 20, set the equation equal to 5 and solve for x.

Step-by-step explanation:

To determine the value of x when f(x) = 5x + 20, we need to solve the equation for x.

Given that f(x) = 5x + 20, we set it equal to the given value of 5 and solve for x:

5x + 20 = 5

Subtracting 20 from both sides, we get:

5x = -15

Dividing both sides by 5, we get:

x = -3

Therefore, the value of x when f(x) = 5x + 20 is -3.

User Bzx
by
8.6k points

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