Question

If a=8 b=7c=6 verify that (a+b)+c=a+(b+c)

Answer 1

Answer:

21=21

Step-by-step explanation:

LHS=RHS

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

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

15+6=8+13

21=21

hence LHS = RHS

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Answer 2

Answer:

21=21

Step-by-step explanation:

$(a + b) + c = a + (b + c) \\ put \: the \: value \\ a = 8 \: b = 7 \: c = 6 \\ (8 + 7) + 6 = 8 + (7 + 6) \\ 15 + 6 = 8 + 13 \\ 21 = 21$