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In 3 litres of petrol3.Q12. If a = -8. b = -7, C=6, verify that(a+b)+c = a+b+c)​

Answer» ANSWER
(a+b)+c=a+(b+c)
(-8+(-7))+6=-8+(-7+6)
(-8-7)+6=-8(-1)
(-15)+6=-8-1
-9=-9
Answer. -9=-9
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