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Nimfa-mama [501]

3 years ago

5

2x - 3y <= 9 2x + 3y <= 3

1 answer:

eduard3 years ago

5 0

Step-by-step explanation:

2x - 3y = 9

2x + 3y = 3

__________ -

-6y = 6

y = -1

2x - 3y = 9

2x - 3(-1) = 9

2x - (-3) = 9

2x = 12

x = 6

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