Question

subtract 2a +b-c from the sum of 3a+2b-c and a-b-c.​

Answer 1

Answer:

2a - c

Step-by-step explanation:

Pls refer to the attachment for the detailed solution.

Answer 2

Answer:

firstly we will do the sum

3a+2b-c+a-b-c

4a+b-2c

now subtract

4a+b-2c-(2a+b-c)

4a+b-2c-2a-b+c

2a-c