Each of the letters or pairs of letters is a chemical symbol from the periodic table of the elements. If we replace them with their atomic number, we get the following equations, which are all solvable if you remember your order of operations:
5(76 – 73) – 17 × 96 / 32 = 74
(37 + 102 – 57) / 16 × 17 = 85
(11 × 7 + 112 / 4) / 7 + 1 = 16
(6 × (31 – 7 × 2) / 51)3 = 8
(52 + 12 × 19 / 6) / 9 = 7
These numbers can be taken as atomic numbers and translated back into chemical symbols, giving W, At, S, O, and N, giving the answer WATSON.