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Mathematics, 25.02.2021 17:50 harvzoie

12. When Raphael solved the system below by using the method of elimination, he changed the second equation to-88-2y = -2. What property justifies this manipulation?
8x + 3y = 7
4x + y = 1

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