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nlexa [21]
3 years ago
6

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

Mathematics
1 answer:
Yakvenalex [24]3 years ago
5 0

Answer:

sum \: two \:eqations \\ 3x =  - 6 \\ x =  - 2 \\  - 2 + y = 3 \\ y = 5

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