Question

2x + 1 = 31

What Digit Does X Represent?​

Answer 1

Hope this will help u....:)

Answer 2

15

Explanation:

2x + 1 = 31

add (-1) to both the sides

2x + 1 - 1 = 31 -1

2x = 30

divide both the sides by 2

2x/2 = 30/2

x = 15