Question

Simplify 21b + 7b - 20b-11b+13b.​

Answer 1

Step-by-step explanation:

hope it's help you..:-)

Answer 2

$\ \huge \mathfrak{Solution:}$

$21b + 7b - 20b-11b+13b$

$=> 21b + 7b + 13b - 20b - 11b$

$=> 28b + 13b - 20b - 11b$

$=> 41b - 20b - 11b$

$=> 21b - 11b$

$=> 10b$

Hope it helps you...