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For f(x) = 6x + 20, what is the value of x for which f(x)= -4 ?

1 Answer

5 votes

Answer:

x = -4

Explanation:

Plug in -4 into the function and solve for x:

f(x) = 6x + 20

-4 = 6x + 20

-24 = 6x

-4 = x

So, the answer is x = -4

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