Question

subtract A + 2b from a-b​

Answer 1

Answer:

-3b

Step-by-step explanation:

a - b - ( a + 2b )

= a - b - a - 2b

= -3b

Hope that helps you....

Please mark me as the brainliest....

Answer 2

Given:

First expression: a - b

Second expression: a + 2b

What to do?

Susbtract the expression a + 2b from a - b.

Solution:

(a - b) - (a + 2b)

After removing the brackets,

⇒ a - b - a - 2b

After rearranging the like terms,

⇒ a - a - b - 2b

After solving the like terms,

⇒ 0 - 3b

Also written as,

⇒ - 3b

∴ Hence, the answer is -3b.