Mathematics, 14.10.2019 17:20, pinkapple2396

Amy and julie are arguing about a math problem. amy thinks (12, -5) is a solution to the equation 3x – 3y = 21. julie does not think it is a solution. who do you agree with and why?

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Amy and julie are arguing about a math problem. amy thinks (12, -5) is a solution to the equation 3x...