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What’s The elimination 7x+4y=-4 5x+8y=28
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What’s The elimination 7x+4y=-4 5x+8y=28

User Joshua DeWald
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4 votes

Answer:

7x + 4y = -4

5x + 8y = 28

II - 2*I

- 9·x = 36 --> x = -4

7*(-4) + 4y = -4 --> y = 6

User MenyT
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