Question

add a+b -1,b-a+1,1-2b​

Answer 1

Answer:

1

Step-by-step explanation:

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

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

= 0 + 2b - 2b + 2 - 1

= 0 + 0 + 1

= 1

Answer 2

Step-by-step explanation:

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

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

2b-2b+1

answer: +1

hope u understand it