Question

verify:[(-2)+(-17)]+(-15)=(-17)+[(-2)+(-15)]​

Answer 1

according to question :

-2 -17-15 = -17-2-15

-34 = -34

L H S = R H S

hence verified....

hope it help you mate

Answer 2

LHS

=>. [-2-17]-15
=>. (-19)-15
-34

RHS

=>. (-17)+[-2-15]
(-17)-17
-34

Hence, verified

hope it will be helpful....