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Mathematics, 21.08.2019 14:00 amanda7835

Substitution method
1) 3x + y = 7
4x + 2y = 16
2) 2x + 2y = 4
x - 2y = 0

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Substitution method
1) 3x + y = 7
4x + 2y = 16
2) 2x + 2y = 4
x - 2y = 0...

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