Question

What is the sum of a + b – 1 ,b – a + 1 and 1 – 2b?​

Answer 1

Answer:

Step-by-step explanation:

HELLO DEAR,

a+b-1+b-a+1+1-2b

=> a-a+b+b-2b+1+1-1

=> 2b-2b+1

=> 1 answer

I HOPE IT HELP YOU DEAR,

THANKS.

Answer 2

Answer:

1

Step-by-step explanation:

=(a+b-1) + (b-a+1) + (1-2b)

=(a-a)+(b+b-2b)+(-1+1+1)

=1