Question

If A= -8 b = -7 c = 6 verfy that (a+b)+c= a+(b+C)​

Answer 1

Answer:

(8+(-7) )+6 = 8+( (-7)+6)

1+6 = 8+(-1)

7 = 7

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Answer 2

(a+b) + c = a +( b+c)

L. H. S

{ - 8 + ( - 7 ) + 6

(-8-7) +6

-15+6

-9

R. H. S

a+(b+c)

-8{ (-7) + 6 }

- 8 - 1

- 9

L. H. S = R. H. S ( PROVED)