Question

If a number is doubled, and 16 is added to it, the resault is 40. what is the number

Answer 1

The number is 12

Explanation:

Let x = number

2x+16 = 40

Subtract 16 from each side

2x+16-16 =40-16

2x = 24

Divide by 2

2x/2 =24/2

x = 12