Answer
(3,-1)
Work Step by Step
(6,2),(0,-4),(7$\frac{1}{2}$,3$\frac{1}{2}$),(2,-2),(3,_)
we can see that in each interval, first number is greater than the second number by 4
therefore the second number in the last set is(3-4) = -1
(3,-1)
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