Question

In the function y = 2x + 15, the output is 35. What is the input?​

Answer 1

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