Question

Verify ( a + b ) + c = a + ( b + c ) for the following questions . a=9 , b = 11 , c = -3​

Answer 1

Answer:

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

(9+11)+-3=9+(11+(-3)

20+(-3)= 9 + 8

20-3 = 17

17 = 17

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