Question

The sum of a number and thirteen is fifteen. Find the number.

Answer 1

Let the number be x.

By given info,

`x + 13 = 15`

Subtract 13 bfrom both sides.

`x = 2`

Thus, The number is 2.

Answer 2

2. You take 15 and subtract it by 13 which equals 2.

Explanation: