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Nookie1986 [14]
3 years ago
6

Y = 3x + 10 y = -7x - 20

Mathematics
1 answer:
Katena32 [7]3 years ago
5 0

Answer:

x = -3

Step-by-step explanation:

3x + 10 = -7x -20

3x + 7x = -20 -10

10x = -30 /: (10)

x = -3

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