Question

21. Simplify 1). {(a - b)+(b - C)+(c - 3a)}.​

Answer 1

Answer:

-2a

Step-by-step explanation:

{(a-b)+(b-c)+(c-3a)}

=>(a-b+b-c+c-3a)

=>(a-3a)

=> -2a

Answer 2

Answer:

Here is your answer user.

Step-by-step explanation:

$\: \: \: \: \: \: \: \: \: \: a - b + b - c + c - 3a. \\ \\ \: \: \: \: \: = a - 3a. \\ \\ \: \: \: \: \: = - 2a.$

Mark as Brainlies.