# How do you solve -4y - ( - 10) = - 90?

Dec 10, 2017

$y = 25$

#### Explanation:

$- 4 y - \left(- 10\right) = - 4 y + 10 = - 90 \text{ }$ you add $- 10$ to each side

$- 4 y + 10 - 10 = - 90 - 10$

$- 4 y = - 100 \text{ }$ divide both sides with $- 4$

$y = \frac{- 100}{-} 4$

$y = 25$