Question

3. Verify that (a + b) + c = a + (b + c) by taking, a = -12, b = -9/11 ,c = 7/-12​

Answer 1

Answer:

c 7/-12

$( - 12 + ( - 9)) + 7 \ - 12 = - 12 + ( - 9 + 7 \ - 12)$

Answer 2

Answer:

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