How do you find the sum of 7b + 3, -4b + 5, and -3b + 2 ?

Jun 24, 2015

 =color(green)( 10

Explanation:

$7 b + 3 + \left(- 4 b + 5\right) + \left(- 3 b + 2\right)$

grouping like terms
$\textcolor{g r e e n}{\left(7 b - 4 b - 3 b\right)} + \left(3 + 5 + 2\right)$
$= 0 + 10$
 =color(green)( 10