Verify associativity of addition of rational numbers i.e., (x + y) + z = x + (y + z), when:
(i) x = -7/11, y = 2/-5, z = -3/22
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(1/2+2/3) + (-1/5)
(1/2+2/3) + (-1/5)= 7/6 + (-1/5)
(1/2+2/3) + (-1/5)= 7/6 + (-1/5)= 35+ (-6/30) = 29/30
(1/2+2/3) + (-1/5)= 7/6 + (-1/5)= 35+ (-6/30) = 29/30And,
(1/2+2/3) + (-1/5)= 7/6 + (-1/5)= 35+ (-6/30) = 29/30And,1/2 + (2/3 + (-1/5)
(1/2+2/3) + (-1/5)= 7/6 + (-1/5)= 35+ (-6/30) = 29/30And,1/2 + (2/3 + (-1/5)= 1/2 + 7/15
(1/2+2/3) + (-1/5)= 7/6 + (-1/5)= 35+ (-6/30) = 29/30And,1/2 + (2/3 + (-1/5)= 1/2 + 7/15= 15 + 14/30 = 29/30
=> LHS = RHS
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