Question

find the sum of (a+ b- 3), (b- a+3 and ( a-b +3​

Answer 1

Answer:  a + b + 3  

Step-by-step explanation:

Given:    (a + b - 3) + (b - a + 3) + (a - b + 3)

Solution:  a + b - 3 + b - a + 3 + a - b + 3    

    ⇒          2a - a + 2b - b + 2 x 3 - 3

      ⇒          a + b + 3  

Thanks!