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Mathematics, 20.05.2021 20:10 michaeltheballer1

10. When Raphael solved the system below by using the method of elimination, he changed the second equation to –8x – 2y =-2. What property justifies this manipulation?
8x + 3y = 7
4x + y =1

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10. When Raphael solved the system below by using the method of elimination, he changed the second e...

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