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19-12-2022
Mathematics

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NAME 6-3 Skills Practice Elimination Using Addition and Subtraction Use elimination to solve each system of equations. 1. x - y = 1 x + y = 3 2. x + y = 1 x + y = 11 3. x + 4y = 11 x - 6y = 11 4. -3 + 3y = 6 x + 3y = 18

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