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Mathematics, 18.01.2020 18:31 khia22

In which line is a mistake first made when solving the following system of equations by elimination for x? 5x + 3y = 12 4x - 5y = 17

line 1
25x + 15y = 60
4x - 5y = 17

line 2
25x + 15y = 60
20x - 15y = 85

line 3
45x = 145

line 4
x = 29/9

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Answers: 3

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