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21.02.2020 •
Mathematics
Match the systems of equations to their solutions.
2x + y = 12
x = 9 − 2y
x + 2y = 9
2x + 4y = 20
x + 3y = 16
2x − y = 11
y = 11 − 2x
4x − 3y = -13
y = 10 + x
-3x + 3y = 30
2x + y = 11
x − 2y = -7
x = 2, y = 7
x = 5, y = 2
x = 3, y = 5
x = 7, y = 3
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Ответ:
I think it's LA. I had the same problem and got it right