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what is the answer if f(x) = 2x-4 if f(x)= -2

Sagot :

Answer:

x = 1

Step-by-step explanation:

Since we know f(x) = -2, we can replace f(x) with -2 in our function and then solve for x:

[tex]-2 = 2x -4[/tex]

Let's add 4 to both sides.

[tex]2 = 2x[/tex]

And then divide both sides by 2.

[tex]x=1[/tex]

And that's value of x, or the answer to our equation. Hopefully this was helpful... if you have more questions, let me know! :)