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1 year ago

11

5x + 3y = 26 6x+ 7y=21

1 answer:

kupik [55]1 year ago

7 0

Answer:

x = -1

Step-by-step explanation:

5x + 3y = 26

- (6x + 7y = 21)

_________

-x - 4x = 5

-5x = 5

x = -1

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