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Answer :

Answer:

4

Step-by-step explanation:

If the output value is 16, then the equation we are left with is

16 = 2x + 8

(because y is the output, or the answer)

To solve, first subtract 8 from both sides.

16 - 8 = 2x + 8 - 8

We get:

8 = 2x

Then simply divide 8 by 2.

4 = x

So, x = 4

The input would be 4 since x is our input.

Hope this helps!