Question

verify that (a+b)+c=a+(b+c)

Answer 1

Answer:

L. H. S

(a+b) + c

=a+b+c

R.H.S

a+(b+c)

=a+b+c

L.H.S=R.H.S

Answer 2

Answer:

a=12,b=−4,c=2

a=(−10),b=1,c=1

Step-by-step explanation:

here your answer.

plz follow