Question

What must be subtracted from 2a + b to get 2a – b? *

2b

4a

0

4a+4b

​

Answer 1

Answer:

(2a+b) -? =2a-b

? =(2a+b) -(2a-b)

? =2b

Answer 2

Step-by-step explanation:

Let the number be k

A/Q 2a + b - k = 2a - b

- k = 2a - b - 2a - b

- k = - 2b

k = 2b Ans.