Respuesta :

jcherry99

Answer:

Step-by-step explanation:

y is the output. So y = 35

The question in simple language is what is x?

2x + 15 = 35        Subtract 15 from both sides.

     -15   -15

2x = 20               Divide by 2

2x/2 = 20/2

x = 10

So the input = 10