Perform the indicated algebraic operations. Express your answers in the form of a single vector a = (a1, a2) in R2.
(a) (3, 1) + (−1, 7)
(b) −2(8, 12)
(c) (8, 9) + 3(−1, 2)
(d) (1, 1) + 5(2, 6) − 3(10, 2)
(e) (8, 10) + 3 ((8,−2) − 2(4, 5))
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