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iragen [17]
3 years ago
7

(14 points)

Mathematics
1 answer:
Ivan3 years ago
7 0

Answer:

Y=21

Step-by-step explanation:

12x+10y=30

-4(3x+2y=-3)

-12-8y=12

12x+10y=30

-12-8y=12

2y=42

y=21

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