19 + (5 x 4) = 19 + 20 = 39
19 x (5 + 4) = 19 x 9 = 171
(3 x 5) + (7 x 5) = 15 + 35 = 50
5 x (3 + 7) = 5 x 10 = 50
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19 + (5 x 4) = 19 + 20 = 39
19 x (5 + 4) = 19 x 9 = 171
(3 x 5) + (7 x 5) = 15 + 35 = 50
5 x (3 + 7) = 5 x 10 = 50