Question

8. (a) If a = -28, b= 14 and c =-17, verify: (i) (a+b)+c=a+(b+c)

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Answer 1

Step-by-step explanation:

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Answer 2

Answer:

LEFT HAND SIDE:

( -28+14 ) - 17= - 14 - 17 = -31

RIGHT HAND SIDE

-28+( 14 - 17 ) = -28 - 3 = -31

LHS = RHS ==> Hence proved