# How do you simplify the expression -2b + b?

Jun 10, 2018

$- 2 b + b = - b$

Jun 10, 2018

$- b$

#### Explanation:

Given: $- 2 b + b$.

One could take the common factor out and factorise to get:

$= b \left(- 2 + 1\right)$

$= b \cdot - 1$
$= - b$