Question 1087995
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T - S = 12,
T + S = 76.


Add the two equations (both sides). You will get

2T = 12 + 76 = 88.  ====>  T = {{{88/2}}} = 44.


<U>Answer</U>.  44 shifts for Tia, and 44-12 = 36 for Sal.
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Solved.