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Mathematics, 30.11.2020 23:00 bridneyfondren

The system of equations can be solved using linear combination to eliminate one of the variables. 2x βˆ’ y = βˆ’4 β†’ 10x βˆ’ 5y = βˆ’20
3x + 5y = 59 β†’ 3x + 5y = 59
13x = 39
Which equation can replace 3x + 5y = 59 in the original system and still produce the same solution?

2x – y = –4
10x – 5y = –20
7x = 39
13x = 39

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Answers: 2

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