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Solve the system of equations x + y = -1 and 5x – 7y = 79 by combining the equations. Submit Answer

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Solve the system of equations x + y = -1 and 5x – 7y = 79 by combining the equations. Submit Answer...

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Solve the system of equations x + y = -1 and 5x – 7y = 79 by combining the equations. Submit Answer​

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Solve the system of equations x + y = -1 and 5x – 7y = 79 by combining the equations. Submit Answer