# Twelve less than a number is -3. How do you find the number?

Oct 18, 2016

The number is 9

#### Explanation:

$n - 12 = - 3$
$n - 12 + 12 = - 3 + 12$
#n=9

Oct 18, 2016

$x = 9$

#### Explanation:

Let us represent the number by $x$

Since $12$ less than $x$ is $- 3$, this can be written as:

$x - 12 = - 3$

Add $12$ to both sides.

$x = - 3 + 12$

$\therefore x = 9$