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Svetlanka [38]
3 years ago
5

5a + 5b + 5c = −20 4a + 3b + 3c = −6 −4a + 3b + 3c = 9

Mathematics
1 answer:
PolarNik [594]3 years ago
7 0

Answer:

Step-by-step explanation:

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Answer: -10, 10

Step-by-step explanation:

first lets add the two equations. add the x's, add the y's, add the constants on the right.

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