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Darina [25.2K]
3 years ago
6

2x - y = 9 y=x-7 what is the answer

Mathematics
1 answer:
marshall27 [118]3 years ago
4 0

Answer:

x = 2

y = -5

Step-by-step explanation:

2x - y = 9

y = x - 7

2x - y = 9

2x - (x - 7) = 9

2x - x + 7 = 9

x + 7 = 9

x = 2

y = x - 7

y = 2 - 7

y = -5

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