Question

please solve this question​

Answer 1

Answer:

This is your answer.

Step-by-step explanation:

We added +(-a+2b-3c).

Answer 2

Answer:

-a + 2b - 3c

Step-by-step explanation:

let the no. be added = x

(2a - b + c) + x = a + b - 2c

x = (a + b - 2c) - (2a - b + c)

= a + b - 2c - 2a + b - c

= -a + 2b - 3c

Hence, (-a + 2b - 3c) will be added.

Hope it helps you......

Plz mark it as the brainliest answer.