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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asked Dec 17, 2021 19.9k views

5 votes

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

Mathematics
high-school

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PrepareFor answered Dec 17, 2021

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Pbering answered Dec 21, 2021

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