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Mathematics, 24.01.2020 03:31 Jasten

Solving system of equation by substitute

1. -4x + y = 6
-5x - y = 21

2. -5x + y = -2
-3x + 6y = -12

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Solving system of equation by substitute

1. -4x + y = 6
-5x - y = 21

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