Question

(a-b+c)-(c+b)

I literally tried so many times i dont get it

Answer 1

a - 2b

Explanation:

❖ Step 1: Distributive negative sign.

• 
  `(a-b+c)+(-1)(c)+(-1)(b)`
• 
  `a-b+c-c-b`

❖ Step 2: Combine like terms.

• 
  `(a)+(-b-b)+(c-c)`
• 
  `a-2b`

Therefore, the answer is a - 2b.

Have a lovely rest of your day/night, and good luck with your assignments! ♡

Answer 2

a-2b

Explanation:

(a-b+c)-(c+b)

Distribute the minus sign to the terms in the second parenthesis

a-b+c-c-b

Combine like terms

a-b+c-c-b

a-b-b+c-c

Cancel like terms

a-2b