Question

who will first answer the question will be the brainliest

Answer 1

Answer:

Step-by-step explanation:

b  = a

a-b = b - a

a + a = b + b

2a = 2b

b = a

hope  u understand

Answer 2

b=a

a-b=b-a

a+a=b+b

2a=2b

hence a=b