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Mathematics, 14.11.2019 03:31, bigchriss
Two systems of equations are shown below. the first equation in system b is the original equation in system a. the second equation in system b is the sum of that equation and a multiple of the second equation in system a. a. 1/2 x 3y = 11 → 1/2 x 3y = 11 5x − y = 17 → 15x − 3y = 51 15 1/2 x = 62 b. 1/2 x 3y = 11 15 1/2 x = 62
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