If 38 @ 9 = 66 and 63 @ 43 = 122, then 29 @ 57 = '?'.
{(3 x 8) + 9} x 2 = {24 + 9} x 2 = 33 x 2 = 66 {(6 x 3) + 43} x 2 = {18 + 43} x 2 = 61 x 2 = 122 {(2 x 9) + 57} x 2 = {18 + 57} x 2 = 75 x 2 = 150
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