Question

one is added to double of a number is 31. Find the number​

Answer 1

Let the number be x.

Given:

2x+1=31

To Find:

x=?

Solution:

2x+1=31----------(Given)

2x=31-1

2x=30

x=$\frac{30}{2}$

x=15

Answer 2

 Given:

one is added to double of a number is

Assume

2x+1=31

To Find:

x=?

Lets solve further,

Let the number be x.

2x+1=31----------(Given)

2x=31-1

2x=30

 x=15