Question

Addition of a + b - 3 and b - a + 3 is
2a
2b
2a +2b
2a + 2b + 6​

Answer 1

Answer:

2b

Step-by-step explanation:

(a+b-3)+(-a+b+3)

-a and a will get cancelled

b+b+3-3

3 and - 3 will get cancelled

b+b=2b