# What number divided by -7 is equal to -15?

Jun 13, 2016

$x = 105$

#### Explanation:

This is best done with an equation, using $x$ as the unknown number. "Something: divided by -7 gives-15.

$\frac{x}{- 7} = - 15$

$x = - 7 \times - 15 \text{ cross-multiply}$

$x = 105$