Question

PLEASE ANSWER THIS QUESTION​

Answer 1

Step-by-step explanation:

LHS

a+b = -20+15=-5

RHS

b+a=15-20=-5

II.

LHS

a*b=-35*-5=175

RHS

b*a=-5*-35=175

Answer 2

Answer:

1 a=-20,b=15

a+b=b+a

-20+15=15+(-20)

-5=-5

LHS=RHS

they are equal

hence verified

2. a×b=b×a

a=-35,b=-5

-35×-5=-5×-35

165=165

LHS=RHS

Verified

hope it helps you