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Mathematics, 08.01.2020 14:31 lizzy2951

2x + y = 3
x - 2y = -1

if equation one is multiplied by 2 and then the equations are added, the result is

3x = 2
3x = 5
5x = 5

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Answers: 2

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2x + y = 3
x - 2y = -1

if equation one is multiplied by 2 and then the equations a...
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